./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/string-1.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_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/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_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/string-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/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_01648238-3885-4a87-9abb-30b774593783/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 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de 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Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:13:32,097 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:13:32,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:13:32,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:13:32,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:13:32,146 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:13:32,148 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:13:32,152 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:13:32,155 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:13:32,156 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:13:32,158 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:13:32,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:13:32,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:13:32,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:13:32,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:13:32,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:13:32,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:13:32,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:13:32,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:13:32,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:13:32,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:13:32,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:13:32,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:13:32,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:13:32,195 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:13:32,195 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:13:32,196 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:13:32,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:13:32,201 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:13:32,203 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:13:32,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:13:32,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:13:32,209 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:13:32,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:13:32,214 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:13:32,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:13:32,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:13:32,217 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:13:32,217 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:13:32,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:13:32,221 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:13:32,222 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:13:32,297 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:13:32,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:13:32,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:13:32,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:13:32,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:13:32,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:13:32,308 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:13:32,308 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:13:32,308 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:13:32,309 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:13:32,310 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:13:32,311 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:13:32,311 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:13:32,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:13:32,312 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:13:32,312 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:13:32,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:13:32,313 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:13:32,313 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:13:32,313 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:13:32,314 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:13:32,314 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:13:32,314 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:13:32,315 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:13:32,315 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:13:32,315 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:13:32,316 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:13:32,316 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:13:32,316 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:13:32,317 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:13:32,317 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:13:32,318 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:13:32,319 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:13:32,320 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_01648238-3885-4a87-9abb-30b774593783/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7c71ebd98a3b6e7de0397eeeb86fda8d96b2d4c8ea0b8e1766ce392ff80613de [2021-10-28 23:13:32,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:13:32,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:13:32,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:13:32,735 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:13:32,736 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:13:32,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/loops/string-1.i [2021-10-28 23:13:32,818 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/data/50df6bdf0/7d70ae8eba6d42b09a8bcb00132db9a2/FLAGe5a714247 [2021-10-28 23:13:33,451 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:13:33,457 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/sv-benchmarks/c/loops/string-1.i [2021-10-28 23:13:33,474 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/data/50df6bdf0/7d70ae8eba6d42b09a8bcb00132db9a2/FLAGe5a714247 [2021-10-28 23:13:33,763 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/data/50df6bdf0/7d70ae8eba6d42b09a8bcb00132db9a2 [2021-10-28 23:13:33,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:13:33,768 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:13:33,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:33,784 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:13:33,789 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:13:33,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:33" (1/1) ... [2021-10-28 23:13:33,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f704439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:33, skipping insertion in model container [2021-10-28 23:13:33,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:13:33" (1/1) ... [2021-10-28 23:13:33,802 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:13:33,822 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:13:34,071 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_01648238-3885-4a87-9abb-30b774593783/sv-benchmarks/c/loops/string-1.i[896,909] [2021-10-28 23:13:34,095 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:13:34,107 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:13:34,123 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_01648238-3885-4a87-9abb-30b774593783/sv-benchmarks/c/loops/string-1.i[896,909] [2021-10-28 23:13:34,136 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:13:34,155 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:13:34,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34 WrapperNode [2021-10-28 23:13:34,157 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:13:34,159 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:13:34,159 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:13:34,159 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:13:34,168 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,178 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,206 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:13:34,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:13:34,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:13:34,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:13:34,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,230 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,255 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:13:34,259 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:13:34,259 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:13:34,259 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:13:34,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (1/1) ... [2021-10-28 23:13:34,281 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:34,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:34,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:34,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:13:34,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:13:34,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:13:34,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:13:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:13:34,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:13:34,715 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:13:34,715 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-28 23:13:34,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:34 BoogieIcfgContainer [2021-10-28 23:13:34,718 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:13:34,736 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:13:34,736 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:13:34,740 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:13:34,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:34,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:13:33" (1/3) ... [2021-10-28 23:13:34,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c7b25ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:13:34, skipping insertion in model container [2021-10-28 23:13:34,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:34,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:13:34" (2/3) ... [2021-10-28 23:13:34,744 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c7b25ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:13:34, skipping insertion in model container [2021-10-28 23:13:34,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:13:34,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:34" (3/3) ... [2021-10-28 23:13:34,747 INFO L389 chiAutomizerObserver]: Analyzing ICFG string-1.i [2021-10-28 23:13:34,851 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:13:34,851 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:13:34,867 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:13:34,868 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:13:34,868 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:13:34,868 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:13:34,869 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:13:34,869 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:13:34,894 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:34,930 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-10-28 23:13:34,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:34,931 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:34,938 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:13:34,939 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:34,939 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 23:13:34,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:34,945 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2021-10-28 23:13:34,945 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:34,946 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:34,946 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-28 23:13:34,946 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:34,955 INFO L791 eck$LassoCheckResult]: Stem: 16#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(11); 9#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 24#L33-3true [2021-10-28 23:13:34,955 INFO L793 eck$LassoCheckResult]: Loop: 24#L33-3true assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 18#L33-2true main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 24#L33-3true [2021-10-28 23:13:34,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:34,971 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-28 23:13:34,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:34,985 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774583851] [2021-10-28 23:13:34,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:34,987 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:35,150 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:35,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:35,235 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:35,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:35,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2021-10-28 23:13:35,255 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:35,256 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265494737] [2021-10-28 23:13:35,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:35,258 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:35,270 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:35,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:35,297 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:35,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:35,302 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2021-10-28 23:13:35,302 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:35,303 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381158743] [2021-10-28 23:13:35,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:35,304 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:35,334 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:35,364 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:36,392 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:13:36,393 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:13:36,393 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:13:36,393 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:13:36,394 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:13:36,394 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:36,394 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:13:36,394 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:13:36,394 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration1_Lasso [2021-10-28 23:13:36,394 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:13:36,395 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:13:36,444 INFO 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 23:13:36,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,457 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,460 INFO 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 23:13:36,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,470 INFO 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 23:13:36,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,478 INFO 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 23:13:36,482 INFO 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 23:13:36,488 INFO 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 23:13:36,493 INFO 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 23:13:36,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,511 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,514 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,792 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,796 INFO 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 23:13:36,799 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 23:13:36,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:36,806 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 23:13:36,809 INFO 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 23:13:36,812 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:37,157 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:13:37,163 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:13:37,165 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,168 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,177 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 23:13:37,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,191 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:37,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,197 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:37,198 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:37,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 23:13:37,220 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,265 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:37,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,288 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:37,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,290 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:37,291 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:37,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 23:13:37,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,366 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 23:13:37,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:37,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:37,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:37,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 23:13:37,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,441 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:37,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:37,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:37,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 23:13:37,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,533 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,535 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:37,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,556 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:37,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:37,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:37,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 23:13:37,571 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,622 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 23:13:37,633 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:37,645 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:37,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:37,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,718 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,729 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 23:13:37,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,742 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:37,742 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,742 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,742 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:37,743 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:37,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 23:13:37,755 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,801 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,804 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:37,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 23:13:37,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:37,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:37,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,908 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,911 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 23:13:37,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:37,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:37,933 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:37,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:37,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:37,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:37,934 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:37,934 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:37,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:37,979 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:37,979 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:37,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:37,981 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:37,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 23:13:37,993 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,004 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,004 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,004 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:38,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:38,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,065 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,067 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,077 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:38,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:38,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:38,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 23:13:38,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,150 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,151 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 23:13:38,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:38,162 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,162 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:38,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,164 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:38,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:38,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,196 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,197 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,198 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 23:13:38,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:38,210 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,210 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:38,210 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,210 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,211 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:38,211 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:38,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,269 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 23:13:38,270 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:38,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:38,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:38,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,310 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 23:13:38,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:38,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:38,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:38,332 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,365 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 23:13:38,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,384 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:38,385 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:38,423 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,457 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,458 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 23:13:38,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,470 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:38,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:38,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-10-28 23:13:38,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,508 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 23:13:38,510 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,522 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,522 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,522 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:38,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:38,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,579 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,579 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,581 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,584 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 23:13:38,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 23:13:38,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,597 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:38,597 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:38,602 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-10-28 23:13:38,630 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,631 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,634 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 23:13:38,644 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,644 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:38,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,645 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,645 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:38,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:38,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,672 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,675 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,676 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 23:13:38,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:38,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:38,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:38,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:38,769 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,772 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,775 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:38,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:38,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:38,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:38,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:38,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:38,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:38,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 23:13:38,816 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:13:38,879 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 23:13:38,879 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-28 23:13:38,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:38,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:38,889 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:38,892 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:13:38,904 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 23:13:38,922 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:13:38,922 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:13:38,923 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_1) = -2*ULTIMATE.start_main_~i~0 + 9*v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_1 Supporting invariants [] [2021-10-28 23:13:39,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:39,081 INFO L297 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2021-10-28 23:13:39,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:39,152 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:13:39,153 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:39,186 WARN L261 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:13:39,187 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:39,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:39,287 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 23:13:39,288 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) 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 23:13:39,357 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 25 states, 24 states have (on average 1.625) internal successors, (39), 24 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). 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 50 states and 80 transitions. Complement of second has 8 states. [2021-10-28 23:13:39,358 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 23:13:39,360 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 23:13:39,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 40 transitions. [2021-10-28 23:13:39,362 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 2 letters. Loop has 2 letters. [2021-10-28 23:13:39,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:39,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-28 23:13:39,363 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:39,363 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 40 transitions. Stem has 2 letters. Loop has 4 letters. [2021-10-28 23:13:39,364 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:39,364 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 80 transitions. [2021-10-28 23:13:39,368 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:39,372 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 19 states and 28 transitions. [2021-10-28 23:13:39,373 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2021-10-28 23:13:39,374 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-28 23:13:39,375 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 28 transitions. [2021-10-28 23:13:39,375 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:39,375 INFO L681 BuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2021-10-28 23:13:39,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 28 transitions. [2021-10-28 23:13:39,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-28 23:13:39,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 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 23:13:39,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2021-10-28 23:13:39,402 INFO L704 BuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2021-10-28 23:13:39,402 INFO L587 BuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2021-10-28 23:13:39,402 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 23:13:39,402 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2021-10-28 23:13:39,403 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:39,403 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:39,403 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:39,404 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 23:13:39,404 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:39,404 INFO L791 eck$LassoCheckResult]: Stem: 164#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(11); 165#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 174#L33-3 assume !(main_~i~0 < 5); 169#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 170#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 163#L37-3 [2021-10-28 23:13:39,405 INFO L793 eck$LassoCheckResult]: Loop: 163#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 162#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 163#L37-3 [2021-10-28 23:13:39,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:39,405 INFO L85 PathProgramCache]: Analyzing trace with hash 28696938, now seen corresponding path program 1 times [2021-10-28 23:13:39,406 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:39,406 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956996998] [2021-10-28 23:13:39,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:39,406 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:39,465 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 23:13:39,465 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:39,465 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956996998] [2021-10-28 23:13:39,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956996998] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:39,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:13:39,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 23:13:39,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684269337] [2021-10-28 23:13:39,470 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:13:39,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:39,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1891, now seen corresponding path program 1 times [2021-10-28 23:13:39,471 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:39,471 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520791839] [2021-10-28 23:13:39,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:39,471 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:39,478 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:39,486 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:39,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:39,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 23:13:39,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 23:13:39,542 INFO L87 Difference]: Start difference. First operand 19 states and 28 transitions. cyclomatic complexity: 14 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 23:13:39,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:39,585 INFO L93 Difference]: Finished difference Result 24 states and 30 transitions. [2021-10-28 23:13:39,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 23:13:39,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 30 transitions. [2021-10-28 23:13:39,593 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:39,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 24 states and 30 transitions. [2021-10-28 23:13:39,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2021-10-28 23:13:39,602 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2021-10-28 23:13:39,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 30 transitions. [2021-10-28 23:13:39,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:39,604 INFO L681 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-10-28 23:13:39,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 30 transitions. [2021-10-28 23:13:39,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 20. [2021-10-28 23:13:39,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.25) internal successors, (25), 19 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 23:13:39,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2021-10-28 23:13:39,610 INFO L704 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 23:13:39,610 INFO L587 BuchiCegarLoop]: Abstraction has 20 states and 25 transitions. [2021-10-28 23:13:39,610 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 23:13:39,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 25 transitions. [2021-10-28 23:13:39,612 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:39,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:39,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:39,613 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:39,613 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:39,614 INFO L791 eck$LassoCheckResult]: Stem: 213#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 214#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 223#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 221#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 222#L33-3 assume !(main_~i~0 < 5); 218#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 219#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 227#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 211#L37-2 [2021-10-28 23:13:39,614 INFO L793 eck$LassoCheckResult]: Loop: 211#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 212#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 211#L37-2 [2021-10-28 23:13:39,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:39,615 INFO L85 PathProgramCache]: Analyzing trace with hash 265181045, now seen corresponding path program 1 times [2021-10-28 23:13:39,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:39,615 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281367208] [2021-10-28 23:13:39,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:39,616 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:39,679 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 23:13:39,680 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:39,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281367208] [2021-10-28 23:13:39,680 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281367208] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:39,680 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798554351] [2021-10-28 23:13:39,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:39,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:13:39,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:39,682 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:13:39,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2021-10-28 23:13:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:39,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-28 23:13:39,762 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:39,795 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 23:13:39,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798554351] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:39,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:13:39,796 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-10-28 23:13:39,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642867050] [2021-10-28 23:13:39,796 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:13:39,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:39,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 2 times [2021-10-28 23:13:39,797 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:39,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451681372] [2021-10-28 23:13:39,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:39,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:39,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:39,805 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:39,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:39,813 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:39,879 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:39,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:13:39,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:13:39,880 INFO L87 Difference]: Start difference. First operand 20 states and 25 transitions. cyclomatic complexity: 10 Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 5 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:39,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:39,951 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2021-10-28 23:13:39,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:13:39,951 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2021-10-28 23:13:39,955 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:39,957 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2021-10-28 23:13:39,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-10-28 23:13:39,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-10-28 23:13:39,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2021-10-28 23:13:39,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:39,958 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2021-10-28 23:13:39,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2021-10-28 23:13:39,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-10-28 23:13:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.2083333333333333) internal successors, (29), 23 states have internal predecessors, (29), 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 23:13:39,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 29 transitions. [2021-10-28 23:13:39,966 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-10-28 23:13:39,966 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 29 transitions. [2021-10-28 23:13:39,966 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 23:13:39,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 29 transitions. [2021-10-28 23:13:39,968 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:39,969 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:39,969 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:39,971 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:39,971 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:39,971 INFO L791 eck$LassoCheckResult]: Stem: 292#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(11); 293#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 302#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 300#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 301#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 307#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 309#L33-3 assume !(main_~i~0 < 5); 297#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 298#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 308#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 290#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 291#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 306#L37-2 [2021-10-28 23:13:39,971 INFO L793 eck$LassoCheckResult]: Loop: 306#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 310#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 306#L37-2 [2021-10-28 23:13:39,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:39,972 INFO L85 PathProgramCache]: Analyzing trace with hash 780717205, now seen corresponding path program 1 times [2021-10-28 23:13:39,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:39,974 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319061679] [2021-10-28 23:13:39,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:39,975 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:40,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:40,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:40,128 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:13:40,128 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:40,128 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319061679] [2021-10-28 23:13:40,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319061679] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:40,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230715698] [2021-10-28 23:13:40,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:40,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:13:40,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:40,132 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:13:40,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2021-10-28 23:13:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:40,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:13:40,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:40,278 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-28 23:13:40,278 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230715698] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:40,278 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:13:40,278 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-10-28 23:13:40,279 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803496562] [2021-10-28 23:13:40,280 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:13:40,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:40,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 3 times [2021-10-28 23:13:40,281 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:40,281 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195688764] [2021-10-28 23:13:40,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:40,282 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:40,294 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:40,309 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:40,373 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:40,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:13:40,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:13:40,377 INFO L87 Difference]: Start difference. First operand 24 states and 29 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 23:13:40,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:40,462 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2021-10-28 23:13:40,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:13:40,463 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 44 transitions. [2021-10-28 23:13:40,472 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:40,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 36 states and 44 transitions. [2021-10-28 23:13:40,474 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-28 23:13:40,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-28 23:13:40,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 44 transitions. [2021-10-28 23:13:40,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:40,476 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 44 transitions. [2021-10-28 23:13:40,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 44 transitions. [2021-10-28 23:13:40,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 28. [2021-10-28 23:13:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2021-10-28 23:13:40,483 INFO L704 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-10-28 23:13:40,483 INFO L587 BuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2021-10-28 23:13:40,484 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-28 23:13:40,484 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2021-10-28 23:13:40,488 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:40,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:40,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:40,491 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1] [2021-10-28 23:13:40,491 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:40,491 INFO L791 eck$LassoCheckResult]: Stem: 394#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(11); 395#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 404#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 409#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 415#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 402#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 403#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 410#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 412#L33-3 assume !(main_~i~0 < 5); 399#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 400#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 411#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 416#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 414#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 392#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 393#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 408#L37-2 [2021-10-28 23:13:40,492 INFO L793 eck$LassoCheckResult]: Loop: 408#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 413#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 408#L37-2 [2021-10-28 23:13:40,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:40,492 INFO L85 PathProgramCache]: Analyzing trace with hash 2111137973, now seen corresponding path program 2 times [2021-10-28 23:13:40,493 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:40,493 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472787712] [2021-10-28 23:13:40,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:40,493 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:40,632 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:13:40,633 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:40,633 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472787712] [2021-10-28 23:13:40,634 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472787712] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:40,634 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2107375113] [2021-10-28 23:13:40,634 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:13:40,635 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:13:40,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:40,641 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:13:40,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2021-10-28 23:13:40,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:13:40,717 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:13:40,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:13:40,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:40,791 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-28 23:13:40,792 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2107375113] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:40,798 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:13:40,798 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-10-28 23:13:40,799 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270786406] [2021-10-28 23:13:40,800 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:13:40,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:40,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 4 times [2021-10-28 23:13:40,801 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:40,804 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742521928] [2021-10-28 23:13:40,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:40,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:40,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:40,816 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:40,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:40,831 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:40,881 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:40,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 23:13:40,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:13:40,884 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 10 Second operand has 7 states, 7 states have (on average 2.2857142857142856) internal successors, (16), 7 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 23:13:40,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:40,972 INFO L93 Difference]: Finished difference Result 42 states and 51 transitions. [2021-10-28 23:13:40,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 23:13:40,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 51 transitions. [2021-10-28 23:13:40,976 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:40,978 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 42 states and 51 transitions. [2021-10-28 23:13:40,979 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-28 23:13:40,979 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-28 23:13:40,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 51 transitions. [2021-10-28 23:13:40,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:40,981 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 51 transitions. [2021-10-28 23:13:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 51 transitions. [2021-10-28 23:13:40,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 32. [2021-10-28 23:13:40,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.15625) internal successors, (37), 31 states have internal predecessors, (37), 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 23:13:40,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 37 transitions. [2021-10-28 23:13:40,989 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-10-28 23:13:40,989 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 37 transitions. [2021-10-28 23:13:40,989 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-28 23:13:40,989 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 37 transitions. [2021-10-28 23:13:40,990 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:40,990 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:40,990 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:40,992 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 1, 1, 1, 1, 1] [2021-10-28 23:13:40,992 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:40,992 INFO L791 eck$LassoCheckResult]: Stem: 519#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(11); 520#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 529#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 527#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 528#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 534#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 542#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 541#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 540#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 537#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 536#L33-3 assume !(main_~i~0 < 5); 524#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 525#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 535#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 517#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 518#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 533#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 545#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 544#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 543#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 539#L37-2 [2021-10-28 23:13:40,993 INFO L793 eck$LassoCheckResult]: Loop: 539#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 538#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 539#L37-2 [2021-10-28 23:13:40,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:40,994 INFO L85 PathProgramCache]: Analyzing trace with hash 213314517, now seen corresponding path program 3 times [2021-10-28 23:13:40,994 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:40,994 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1691745187] [2021-10-28 23:13:40,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:40,995 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:41,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:41,078 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-28 23:13:41,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:41,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1691745187] [2021-10-28 23:13:41,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1691745187] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:41,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1434207018] [2021-10-28 23:13:41,080 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:13:41,080 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:13:41,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:41,082 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:13:41,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2021-10-28 23:13:41,182 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-10-28 23:13:41,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:13:41,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:13:41,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-10-28 23:13:41,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1434207018] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:41,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:13:41,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-10-28 23:13:41,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930414252] [2021-10-28 23:13:41,260 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:13:41,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:41,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 5 times [2021-10-28 23:13:41,261 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:41,261 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353920411] [2021-10-28 23:13:41,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:41,261 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:41,265 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:41,270 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:41,318 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:41,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:13:41,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2021-10-28 23:13:41,319 INFO L87 Difference]: Start difference. First operand 32 states and 37 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 2.25) internal successors, (18), 8 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 23:13:41,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:41,412 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2021-10-28 23:13:41,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:13:41,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 56 transitions. [2021-10-28 23:13:41,413 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:41,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 46 states and 56 transitions. [2021-10-28 23:13:41,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-28 23:13:41,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-28 23:13:41,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2021-10-28 23:13:41,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:41,416 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 56 transitions. [2021-10-28 23:13:41,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2021-10-28 23:13:41,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 36. [2021-10-28 23:13:41,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.1388888888888888) internal successors, (41), 35 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:41,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 41 transitions. [2021-10-28 23:13:41,420 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 41 transitions. [2021-10-28 23:13:41,421 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 41 transitions. [2021-10-28 23:13:41,421 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-28 23:13:41,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 41 transitions. [2021-10-28 23:13:41,422 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:41,422 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:41,422 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:41,423 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 4, 1, 1, 1, 1, 1] [2021-10-28 23:13:41,423 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:41,424 INFO L791 eck$LassoCheckResult]: Stem: 665#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(11); 666#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 675#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 680#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 681#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 673#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 674#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 691#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 689#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 687#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 686#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 683#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 682#L33-3 assume !(main_~i~0 < 5); 670#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 671#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 679#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 663#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 664#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 695#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 694#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 693#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 692#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 690#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 688#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 685#L37-2 [2021-10-28 23:13:41,424 INFO L793 eck$LassoCheckResult]: Loop: 685#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 684#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 685#L37-2 [2021-10-28 23:13:41,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:41,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1212159477, now seen corresponding path program 4 times [2021-10-28 23:13:41,425 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:41,425 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63024833] [2021-10-28 23:13:41,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:41,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:41,457 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:41,502 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:41,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:41,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1951, now seen corresponding path program 6 times [2021-10-28 23:13:41,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:41,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774986061] [2021-10-28 23:13:41,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:41,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:41,511 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:41,520 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:41,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:41,521 INFO L85 PathProgramCache]: Analyzing trace with hash 949121171, now seen corresponding path program 5 times [2021-10-28 23:13:41,521 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:41,521 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56717155] [2021-10-28 23:13:41,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:41,522 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:41,643 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-28 23:13:41,644 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:13:41,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56717155] [2021-10-28 23:13:41,644 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56717155] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:13:41,644 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1933780221] [2021-10-28 23:13:41,645 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2021-10-28 23:13:41,645 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:13:41,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:41,647 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:13:41,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2021-10-28 23:13:41,856 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-10-28 23:13:41,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:13:41,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-28 23:13:41,861 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-10-28 23:13:41,966 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1933780221] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:13:41,966 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:13:41,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2021-10-28 23:13:41,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417567784] [2021-10-28 23:13:42,022 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:13:42,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-28 23:13:42,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-10-28 23:13:42,024 INFO L87 Difference]: Start difference. First operand 36 states and 41 transitions. cyclomatic complexity: 10 Second operand has 8 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 8 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 23:13:42,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:13:42,202 INFO L93 Difference]: Finished difference Result 48 states and 57 transitions. [2021-10-28 23:13:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 23:13:42,203 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 57 transitions. [2021-10-28 23:13:42,204 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-28 23:13:42,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 57 transitions. [2021-10-28 23:13:42,205 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-28 23:13:42,205 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 48 [2021-10-28 23:13:42,205 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 57 transitions. [2021-10-28 23:13:42,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:13:42,206 INFO L681 BuchiCegarLoop]: Abstraction has 48 states and 57 transitions. [2021-10-28 23:13:42,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 57 transitions. [2021-10-28 23:13:42,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 36. [2021-10-28 23:13:42,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 35 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:13:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2021-10-28 23:13:42,210 INFO L704 BuchiCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-10-28 23:13:42,210 INFO L587 BuchiCegarLoop]: Abstraction has 36 states and 39 transitions. [2021-10-28 23:13:42,210 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-28 23:13:42,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 39 transitions. [2021-10-28 23:13:42,211 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2021-10-28 23:13:42,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:42,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:42,212 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:42,213 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:42,213 INFO L791 eck$LassoCheckResult]: Stem: 838#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(11); 839#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 848#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 846#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 847#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 867#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 865#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 863#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 861#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 859#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 857#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 855#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 853#L33-3 assume !(main_~i~0 < 5); 843#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 844#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 852#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 836#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 837#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 868#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 866#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 864#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 862#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 860#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 858#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 856#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 854#L37-3 assume !(main_~i~0 < 5); 850#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 851#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 835#L42-3 [2021-10-28 23:13:42,213 INFO L793 eck$LassoCheckResult]: Loop: 835#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 833#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 835#L42-3 [2021-10-28 23:13:42,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:42,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1572377782, now seen corresponding path program 1 times [2021-10-28 23:13:42,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:42,214 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039213470] [2021-10-28 23:13:42,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:42,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:42,240 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:42,277 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:42,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:42,278 INFO L85 PathProgramCache]: Analyzing trace with hash 2406, now seen corresponding path program 1 times [2021-10-28 23:13:42,278 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:42,278 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169368102] [2021-10-28 23:13:42,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:42,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:42,283 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:42,288 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:42,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:42,289 INFO L85 PathProgramCache]: Analyzing trace with hash -773438245, now seen corresponding path program 1 times [2021-10-28 23:13:42,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:42,289 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260037636] [2021-10-28 23:13:42,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:42,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:42,319 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:42,349 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:47,387 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:13:47,387 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:13:47,388 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:13:47,388 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:13:47,388 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:13:47,388 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:47,388 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:13:47,388 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:13:47,389 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration8_Lasso [2021-10-28 23:13:47,389 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:13:47,389 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:13:47,408 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,410 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,415 INFO 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 23:13:47,418 INFO 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 23:13:47,420 INFO 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 23:13:47,422 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,425 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 23:13:47,427 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 23:13:47,430 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 23:13:47,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,435 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:47,437 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 23:13:47,440 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 23:13:47,442 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 23:13:47,446 INFO 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 23:13:47,448 INFO 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 23:13:47,451 INFO 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 23:13:47,453 INFO 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 23:13:47,456 INFO 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 23:13:47,906 INFO 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 23:13:47,909 INFO 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 23:13:48,202 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:13:48,203 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:13:48,203 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,214 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-28 23:13:48,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:48,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,224 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-28 23:13:48,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,253 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-28 23:13:48,272 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:48,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,281 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,307 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,308 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-28 23:13:48,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:48,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,321 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,349 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-28 23:13:48,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:48,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,363 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:48,363 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:48,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,442 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:48,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-28 23:13:48,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,536 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,539 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 23:13:48,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-28 23:13:48,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,600 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-10-28 23:13:48,600 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,601 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-28 23:13:48,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:48,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,613 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,640 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,642 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-28 23:13:48,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:48,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,654 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,655 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,655 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,711 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,717 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 23:13:48,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,728 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,729 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-28 23:13:48,747 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:48,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,796 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:48,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,811 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,811 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-28 23:13:48,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-10-28 23:13:48,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,858 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-28 23:13:48,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:48,869 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,869 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,869 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,869 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,869 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,870 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,870 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-10-28 23:13:48,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,896 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:48,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-28 23:13:48,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:48,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:48,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:48,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-10-28 23:13:48,934 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:48,935 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:48,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-28 23:13:48,936 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:48,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:48,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:48,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:48,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:48,948 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:48,948 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:48,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:48,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-10-28 23:13:48,999 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:48,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,001 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,005 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:49,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:49,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:49,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-28 23:13:49,034 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,079 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,084 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,086 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 23:13:49,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-28 23:13:49,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,159 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,160 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,161 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-28 23:13:49,164 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:49,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,173 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:49,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:49,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,235 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-28 23:13:49,238 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:49,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:49,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:49,250 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-10-28 23:13:49,275 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,276 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-28 23:13:49,278 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:49,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:49,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:49,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-28 23:13:49,313 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,314 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-28 23:13:49,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:49,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,326 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:49,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:49,327 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-28 23:13:49,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,352 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:49,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,369 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,369 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-28 23:13:49,387 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-28 23:13:49,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,415 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-28 23:13:49,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,426 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,429 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,429 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,469 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-10-28 23:13:49,469 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,470 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-28 23:13:49,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,491 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,519 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,550 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,551 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-28 23:13:49,553 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 23:13:49,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,594 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,595 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-28 23:13:49,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,606 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,652 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-28 23:13:49,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,723 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,724 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-28 23:13:49,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:49,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:49,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:49,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:49,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-28 23:13:49,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,762 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-28 23:13:49,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,845 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,848 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:49,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:49,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:49,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-28 23:13:49,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:49,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:49,927 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:49,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:49,931 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:49,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:49,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:49,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:49,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:49,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:49,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:49,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:49,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:49,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-28 23:13:49,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:50,000 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:50,000 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:50,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:50,002 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:50,004 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:50,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:50,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:50,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:50,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:50,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:50,017 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:50,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:50,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-28 23:13:50,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:50,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:50,062 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:50,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:50,063 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:50,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-28 23:13:50,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:50,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:50,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:50,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:50,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:50,076 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:50,076 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:50,087 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:50,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:50,129 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:50,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:50,132 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:50,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:50,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:50,151 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:50,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:50,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:50,154 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:50,154 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:50,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-28 23:13:50,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:50,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:50,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:50,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:50,216 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:50,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:50,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:50,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:50,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:50,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:50,233 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:50,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:50,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:50,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-28 23:13:50,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:50,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:50,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:50,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:50,274 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:50,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-28 23:13:50,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:50,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:50,284 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:50,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:50,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:50,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:50,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:50,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:50,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:50,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-28 23:13:50,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:50,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:50,312 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:50,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-28 23:13:50,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:50,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:50,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:50,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:50,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:50,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:50,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:50,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:50,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:50,349 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-28 23:13:50,349 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:50,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:50,350 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:50,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-28 23:13:50,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:50,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:50,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:50,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:50,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:50,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:50,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:50,393 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:13:50,419 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-28 23:13:50,419 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-28 23:13:50,420 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:50,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:50,429 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:50,432 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:13:50,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-28 23:13:50,459 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:13:50,460 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:13:50,460 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_2, ULTIMATE.start_main_~#string_A~0.offset, ULTIMATE.start_main_~nc_A~0) = 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_2 - 1*ULTIMATE.start_main_~#string_A~0.offset - 1*ULTIMATE.start_main_~nc_A~0 Supporting invariants [] [2021-10-28 23:13:50,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-10-28 23:13:50,555 INFO L297 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2021-10-28 23:13:50,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:50,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:13:50,613 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:50,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:13:50,702 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:50,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:13:50,725 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 23:13:50,725 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 36 states and 39 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 23:13:50,751 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 36 states and 39 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 51 transitions. Complement of second has 4 states. [2021-10-28 23:13:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:13:50,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 23:13:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-10-28 23:13:50,752 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 28 letters. Loop has 2 letters. [2021-10-28 23:13:50,753 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:50,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 30 letters. Loop has 2 letters. [2021-10-28 23:13:50,754 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:50,754 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 28 letters. Loop has 4 letters. [2021-10-28 23:13:50,755 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:13:50,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 51 transitions. [2021-10-28 23:13:50,756 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:13:50,757 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 38 states and 42 transitions. [2021-10-28 23:13:50,757 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-10-28 23:13:50,757 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-28 23:13:50,757 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 42 transitions. [2021-10-28 23:13:50,757 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:13:50,757 INFO L681 BuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-10-28 23:13:50,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 42 transitions. [2021-10-28 23:13:50,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2021-10-28 23:13:50,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.105263157894737) internal successors, (42), 37 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 23:13:50,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2021-10-28 23:13:50,761 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-10-28 23:13:50,761 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 42 transitions. [2021-10-28 23:13:50,761 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-28 23:13:50,761 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 42 transitions. [2021-10-28 23:13:50,762 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-28 23:13:50,762 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:13:50,762 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:13:50,763 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:13:50,763 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:13:50,764 INFO L791 eck$LassoCheckResult]: Stem: 1121#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(11); 1122#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 1132#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1129#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1130#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1152#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1151#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1150#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1149#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1148#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1146#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1144#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1142#L33-3 assume !(main_~i~0 < 5); 1126#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 1127#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 1137#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1119#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1120#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1136#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1147#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1145#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1143#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1141#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1140#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1139#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1138#L37-3 assume !(main_~i~0 < 5); 1134#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 1135#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 1131#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1115#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 1116#L42-4 main_~nc_B~0 := 0; 1124#L46-3 [2021-10-28 23:13:50,764 INFO L793 eck$LassoCheckResult]: Loop: 1124#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1123#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 1124#L46-3 [2021-10-28 23:13:50,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:50,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1793218173, now seen corresponding path program 1 times [2021-10-28 23:13:50,768 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:50,768 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248071033] [2021-10-28 23:13:50,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:50,769 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:50,797 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:50,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:50,845 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:50,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:50,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2854, now seen corresponding path program 1 times [2021-10-28 23:13:50,851 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:50,851 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302349105] [2021-10-28 23:13:50,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:50,851 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:50,858 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:50,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:50,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:50,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:50,864 INFO L85 PathProgramCache]: Analyzing trace with hash 1000780450, now seen corresponding path program 1 times [2021-10-28 23:13:50,864 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:13:50,864 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883658885] [2021-10-28 23:13:50,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:13:50,865 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:13:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:50,945 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:13:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:13:50,988 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:13:50,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:57,188 WARN L207 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 259 DAG size of output: 198 [2021-10-28 23:13:58,348 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:13:58,348 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:13:58,348 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:13:58,349 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:13:58,349 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:13:58,349 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:58,349 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:13:58,349 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:13:58,349 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration9_Lasso [2021-10-28 23:13:58,349 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:13:58,349 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:13:58,354 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 23:13:58,359 INFO 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 23:13:58,362 INFO 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 23:13:58,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,842 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,853 INFO 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 23:13:58,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,860 INFO 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 23:13:58,863 INFO 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 23:13:58,865 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 23:13:58,868 INFO 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 23:13:58,871 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 23:13:58,878 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:13:58,881 INFO 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 23:13:59,224 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:13:59,225 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:13:59,225 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:59,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:59,244 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:59,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-28 23:13:59,286 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:59,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:59,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:59,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:59,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:59,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:59,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:59,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:59,371 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:59,371 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:59,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:59,372 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:59,374 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:59,386 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:59,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:13:59,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:59,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:59,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:59,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:13:59,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:13:59,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-28 23:13:59,418 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:59,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:59,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:59,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:59,517 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:59,525 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:59,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:59,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:59,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:59,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:59,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:59,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:59,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-28 23:13:59,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:59,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:59,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:59,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:59,594 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:59,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:13:59,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:59,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:59,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:59,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:59,612 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:59,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:59,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-28 23:13:59,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:13:59,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:59,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:59,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:59,675 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:59,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-28 23:13:59,676 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:13:59,686 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:13:59,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:13:59,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:13:59,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:13:59,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:13:59,692 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:13:59,716 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:13:59,747 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-10-28 23:13:59,747 INFO L444 ModelExtractionUtils]: 12 out of 28 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 23:13:59,747 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:13:59,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:13:59,752 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:13:59,754 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:13:59,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-28 23:13:59,776 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:13:59,777 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:13:59,777 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#string_B~0.offset, ULTIMATE.start_main_~nc_B~0, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_3) = -1*ULTIMATE.start_main_~#string_B~0.offset - 1*ULTIMATE.start_main_~nc_B~0 + 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_3 Supporting invariants [] [2021-10-28 23:13:59,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-28 23:13:59,858 INFO L297 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2021-10-28 23:13:59,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:13:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:13:59,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:13:59,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:13:59,955 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:00,051 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:14:00,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:00,071 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 23:14:00,071 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 23:14:00,072 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 42 transitions. cyclomatic complexity: 7 Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:00,089 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 42 transitions. cyclomatic complexity: 7. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 50 transitions. Complement of second has 4 states. [2021-10-28 23:14:00,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:14:00,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:00,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 23 transitions. [2021-10-28 23:14:00,090 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 31 letters. Loop has 2 letters. [2021-10-28 23:14:00,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:00,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 33 letters. Loop has 2 letters. [2021-10-28 23:14:00,091 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:00,091 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 23 transitions. Stem has 31 letters. Loop has 4 letters. [2021-10-28 23:14:00,092 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:00,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 50 transitions. [2021-10-28 23:14:00,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:00,093 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 40 states and 45 transitions. [2021-10-28 23:14:00,093 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-10-28 23:14:00,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-28 23:14:00,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 40 states and 45 transitions. [2021-10-28 23:14:00,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:00,095 INFO L681 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-10-28 23:14:00,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states and 45 transitions. [2021-10-28 23:14:00,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2021-10-28 23:14:00,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.125) internal successors, (45), 39 states have internal predecessors, (45), 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 23:14:00,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 45 transitions. [2021-10-28 23:14:00,098 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-10-28 23:14:00,098 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 45 transitions. [2021-10-28 23:14:00,098 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-28 23:14:00,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 45 transitions. [2021-10-28 23:14:00,099 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:00,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:00,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:00,101 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:00,101 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:00,101 INFO L791 eck$LassoCheckResult]: Stem: 1385#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(11); 1386#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 1397#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1394#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1395#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1418#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1417#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1416#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1415#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1414#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1413#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1411#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1409#L33-3 assume !(main_~i~0 < 5); 1391#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 1392#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 1402#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1383#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1384#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1412#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1410#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1408#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1407#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1406#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1405#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1404#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1403#L37-3 assume !(main_~i~0 < 5); 1399#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 1400#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 1396#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1379#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 1380#L42-4 main_~nc_B~0 := 0; 1401#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1387#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 1388#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 1393#L55-2 [2021-10-28 23:14:00,102 INFO L793 eck$LassoCheckResult]: Loop: 1393#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 1398#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 1393#L55-2 [2021-10-28 23:14:00,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:00,102 INFO L85 PathProgramCache]: Analyzing trace with hash 959422888, now seen corresponding path program 1 times [2021-10-28 23:14:00,103 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:00,103 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768201347] [2021-10-28 23:14:00,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:00,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:00,123 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:00,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:00,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:00,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:00,149 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 1 times [2021-10-28 23:14:00,150 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:00,150 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489798828] [2021-10-28 23:14:00,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:00,150 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:00,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:00,155 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:00,160 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:00,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:00,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1412570677, now seen corresponding path program 1 times [2021-10-28 23:14:00,161 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:00,161 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950486944] [2021-10-28 23:14:00,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:00,162 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-28 23:14:00,215 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:00,215 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950486944] [2021-10-28 23:14:00,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950486944] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:14:00,216 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:14:00,216 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 23:14:00,216 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224876329] [2021-10-28 23:14:00,322 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:00,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 23:14:00,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-28 23:14:00,323 INFO L87 Difference]: Start difference. First operand 40 states and 45 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 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 23:14:00,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:00,341 INFO L93 Difference]: Finished difference Result 49 states and 55 transitions. [2021-10-28 23:14:00,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 23:14:00,342 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 55 transitions. [2021-10-28 23:14:00,343 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:00,344 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 41 states and 45 transitions. [2021-10-28 23:14:00,344 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-28 23:14:00,344 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-28 23:14:00,344 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 45 transitions. [2021-10-28 23:14:00,344 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:00,344 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 45 transitions. [2021-10-28 23:14:00,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 45 transitions. [2021-10-28 23:14:00,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-10-28 23:14:00,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.1) internal successors, (44), 39 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 23:14:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2021-10-28 23:14:00,347 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 44 transitions. [2021-10-28 23:14:00,347 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 44 transitions. [2021-10-28 23:14:00,347 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-28 23:14:00,348 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 44 transitions. [2021-10-28 23:14:00,348 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:00,348 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:00,348 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:00,349 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:00,349 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:00,350 INFO L791 eck$LassoCheckResult]: Stem: 1483#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(11); 1484#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 1494#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1492#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1493#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1516#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1515#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1514#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1513#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1512#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1511#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1509#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1507#L33-3 assume !(main_~i~0 < 5); 1489#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 1490#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 1500#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1481#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1482#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1510#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1508#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1506#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1505#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1504#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1503#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1502#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1501#L37-3 assume !(main_~i~0 < 5); 1497#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 1498#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 1495#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1479#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 1480#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1477#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 1478#L42-4 main_~nc_B~0 := 0; 1499#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1485#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 1486#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 1491#L55-2 [2021-10-28 23:14:00,350 INFO L793 eck$LassoCheckResult]: Loop: 1491#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 1496#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 1491#L55-2 [2021-10-28 23:14:00,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:00,350 INFO L85 PathProgramCache]: Analyzing trace with hash 94364173, now seen corresponding path program 1 times [2021-10-28 23:14:00,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:00,351 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431172447] [2021-10-28 23:14:00,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:00,351 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:00,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:00,405 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-28 23:14:00,406 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:00,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431172447] [2021-10-28 23:14:00,406 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431172447] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:14:00,406 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1554167998] [2021-10-28 23:14:00,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:00,407 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:14:00,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:00,408 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:14:00,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2021-10-28 23:14:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:00,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:14:00,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:00,731 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-28 23:14:00,731 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1554167998] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:14:00,731 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:14:00,731 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2021-10-28 23:14:00,732 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462731675] [2021-10-28 23:14:00,732 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:14:00,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:00,733 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 2 times [2021-10-28 23:14:00,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:00,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837984010] [2021-10-28 23:14:00,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:00,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:00,739 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:00,743 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:00,854 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:00,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:14:00,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-28 23:14:00,855 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. cyclomatic complexity: 7 Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 5 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 23:14:00,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:00,891 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2021-10-28 23:14:00,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:14:00,893 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 47 transitions. [2021-10-28 23:14:00,894 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:00,894 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 42 states and 45 transitions. [2021-10-28 23:14:00,894 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-28 23:14:00,895 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-28 23:14:00,895 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 45 transitions. [2021-10-28 23:14:00,895 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:00,895 INFO L681 BuchiCegarLoop]: Abstraction has 42 states and 45 transitions. [2021-10-28 23:14:00,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 45 transitions. [2021-10-28 23:14:00,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 40. [2021-10-28 23:14:00,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.075) internal successors, (43), 39 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 23:14:00,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 43 transitions. [2021-10-28 23:14:00,898 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-10-28 23:14:00,898 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 43 transitions. [2021-10-28 23:14:00,898 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-28 23:14:00,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 43 transitions. [2021-10-28 23:14:00,899 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:00,899 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:00,899 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:00,907 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:00,909 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:00,910 INFO L791 eck$LassoCheckResult]: Stem: 1682#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(11); 1683#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 1693#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1691#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1692#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1713#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1711#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1709#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1707#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1705#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1703#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 1701#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 1700#L33-3 assume !(main_~i~0 < 5); 1688#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 1689#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 1699#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1680#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1681#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1715#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1714#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1712#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1710#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1708#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1706#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 1704#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 1702#L37-3 assume !(main_~i~0 < 5); 1696#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 1697#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 1694#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1678#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 1679#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 1676#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 1677#L42-4 main_~nc_B~0 := 0; 1698#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1686#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 1687#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 1684#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 1685#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 1690#L55-2 [2021-10-28 23:14:00,913 INFO L793 eck$LassoCheckResult]: Loop: 1690#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 1695#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 1690#L55-2 [2021-10-28 23:14:00,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:00,914 INFO L85 PathProgramCache]: Analyzing trace with hash 489706120, now seen corresponding path program 1 times [2021-10-28 23:14:00,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:00,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104620340] [2021-10-28 23:14:00,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:00,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:00,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:00,949 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:00,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:00,994 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:00,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:00,995 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 3 times [2021-10-28 23:14:00,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:00,996 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135857738] [2021-10-28 23:14:00,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:00,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:01,001 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:01,005 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:01,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1838818645, now seen corresponding path program 1 times [2021-10-28 23:14:01,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:01,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985058280] [2021-10-28 23:14:01,007 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:01,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:01,080 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:01,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:10,383 WARN L207 SmtUtils]: Spent 9.15 s on a formula simplification. DAG size of input: 296 DAG size of output: 223 [2021-10-28 23:14:11,603 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:14:11,603 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:14:11,603 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:14:11,604 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:14:11,604 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:14:11,604 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:11,604 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:14:11,604 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:14:11,604 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration12_Lasso [2021-10-28 23:14:11,605 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:14:11,605 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:14:11,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:11,616 INFO 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 23:14:11,618 INFO 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 23:14:11,621 INFO 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 23:14:11,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:11,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:11,637 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:11,640 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:11,642 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:11,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:11,647 INFO 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 23:14:11,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:11,653 INFO 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 23:14:11,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:12,653 INFO 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 23:14:12,655 INFO 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 23:14:12,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:12,660 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:12,663 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:12,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:13,091 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:14:13,092 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:14:13,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,093 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-28 23:14:13,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-10-28 23:14:13,132 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,133 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-28 23:14:13,135 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,145 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-28 23:14:13,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,172 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-28 23:14:13,176 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,185 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,186 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:13,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,214 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-28 23:14:13,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,225 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:13,251 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,252 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-28 23:14:13,254 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:13,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:13,265 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:13,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-28 23:14:13,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,296 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-28 23:14:13,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:13,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:13,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:13,336 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,337 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-28 23:14:13,338 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:13,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:13,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,376 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-10-28 23:14:13,376 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,377 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-28 23:14:13,378 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,387 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,387 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,389 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-10-28 23:14:13,412 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,413 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-28 23:14:13,414 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:13,422 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,424 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:13,424 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:13,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,450 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-28 23:14:13,450 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,451 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-28 23:14:13,452 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:13,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-10-28 23:14:13,488 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,488 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-28 23:14:13,490 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 23:14:13,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-28 23:14:13,524 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,525 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-28 23:14:13,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,536 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,549 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,549 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-28 23:14:13,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,593 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-28 23:14:13,596 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:13,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:13,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:13,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:13,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:13,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,658 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-28 23:14:13,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:13,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,669 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-10-28 23:14:13,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,675 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2021-10-28 23:14:13,675 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:13,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:13,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-28 23:14:13,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,723 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-28 23:14:13,724 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 23:14:13,733 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:13,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:13,734 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:13,734 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:13,743 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:13,744 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:13,765 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:14:13,805 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 23:14:13,805 INFO L444 ModelExtractionUtils]: 4 out of 31 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-10-28 23:14:13,805 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:13,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:13,807 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:13,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-28 23:14:13,808 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:14:13,817 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:14:13,817 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:14:13,817 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_A~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~nc_A~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-28 23:14:13,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-28 23:14:13,985 INFO L297 tatePredicateManager]: 32 out of 32 supporting invariants were superfluous and have been removed [2021-10-28 23:14:14,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:14,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:14,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:14:14,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:14,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:14:14,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:14,210 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 23:14:14,211 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 23:14:14,211 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:14,231 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 43 transitions. cyclomatic complexity: 6. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 44 states and 49 transitions. Complement of second has 5 states. [2021-10-28 23:14:14,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:14:14,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:14,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2021-10-28 23:14:14,232 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 38 letters. Loop has 2 letters. [2021-10-28 23:14:14,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:14,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 40 letters. Loop has 2 letters. [2021-10-28 23:14:14,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:14,234 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 38 letters. Loop has 4 letters. [2021-10-28 23:14:14,234 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:14,235 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 44 states and 49 transitions. [2021-10-28 23:14:14,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:14,236 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 44 states to 44 states and 49 transitions. [2021-10-28 23:14:14,237 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-10-28 23:14:14,237 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-28 23:14:14,237 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 49 transitions. [2021-10-28 23:14:14,237 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:14,237 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-10-28 23:14:14,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 49 transitions. [2021-10-28 23:14:14,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2021-10-28 23:14:14,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 44 states have (on average 1.1136363636363635) internal successors, (49), 43 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:14,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 49 transitions. [2021-10-28 23:14:14,241 INFO L704 BuchiCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-10-28 23:14:14,242 INFO L587 BuchiCegarLoop]: Abstraction has 44 states and 49 transitions. [2021-10-28 23:14:14,242 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-28 23:14:14,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 44 states and 49 transitions. [2021-10-28 23:14:14,243 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:14,243 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:14,243 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:14,244 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:14,244 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:14,245 INFO L791 eck$LassoCheckResult]: Stem: 2035#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(11); 2036#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 2047#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2044#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2045#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2057#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2072#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2071#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2070#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2069#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2068#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2067#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2066#L33-3 assume !(main_~i~0 < 5); 2041#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 2042#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 2056#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2033#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2034#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2065#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2064#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2063#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2062#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2061#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2060#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2059#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2058#L37-3 assume !(main_~i~0 < 5); 2052#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 2053#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 2046#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2031#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2032#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2029#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 2030#L42-4 main_~nc_B~0 := 0; 2054#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2039#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 2040#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2037#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 2038#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 2043#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2048#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 2049#L55-2 [2021-10-28 23:14:14,245 INFO L793 eck$LassoCheckResult]: Loop: 2049#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2055#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 2049#L55-2 [2021-10-28 23:14:14,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:14,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1838818643, now seen corresponding path program 1 times [2021-10-28 23:14:14,246 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:14,246 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81691412] [2021-10-28 23:14:14,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:14,246 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:14,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:14,276 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:14,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:14,325 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:14,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:14,326 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 4 times [2021-10-28 23:14:14,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:14,326 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875089091] [2021-10-28 23:14:14,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:14,327 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:14,332 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:14,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:14,338 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:14,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:14,338 INFO L85 PathProgramCache]: Analyzing trace with hash -1873154672, now seen corresponding path program 1 times [2021-10-28 23:14:14,339 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:14,339 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320519477] [2021-10-28 23:14:14,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:14,339 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-28 23:14:14,469 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:14,469 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320519477] [2021-10-28 23:14:14,469 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320519477] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:14:14,470 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [651065236] [2021-10-28 23:14:14,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:14,470 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:14:14,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:14,471 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:14:14,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Waiting until timeout for monitored process [2021-10-28 23:14:14,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:14,649 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:14:14,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:14,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:14,868 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-28 23:14:14,868 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [651065236] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:14:14,868 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:14:14,869 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 12 [2021-10-28 23:14:14,869 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291890234] [2021-10-28 23:14:14,977 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:14,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-10-28 23:14:14,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2021-10-28 23:14:14,978 INFO L87 Difference]: Start difference. First operand 44 states and 49 transitions. cyclomatic complexity: 9 Second operand has 12 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 12 states have internal predecessors, (37), 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 23:14:15,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:15,168 INFO L93 Difference]: Finished difference Result 69 states and 75 transitions. [2021-10-28 23:14:15,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-28 23:14:15,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 75 transitions. [2021-10-28 23:14:15,173 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:15,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 47 states and 52 transitions. [2021-10-28 23:14:15,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-28 23:14:15,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-28 23:14:15,175 INFO L73 IsDeterministic]: Start isDeterministic. Operand 47 states and 52 transitions. [2021-10-28 23:14:15,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:15,175 INFO L681 BuchiCegarLoop]: Abstraction has 47 states and 52 transitions. [2021-10-28 23:14:15,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states and 52 transitions. [2021-10-28 23:14:15,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 46. [2021-10-28 23:14:15,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.108695652173913) internal successors, (51), 45 states have internal predecessors, (51), 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 23:14:15,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2021-10-28 23:14:15,179 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 51 transitions. [2021-10-28 23:14:15,179 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 51 transitions. [2021-10-28 23:14:15,179 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-10-28 23:14:15,179 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 51 transitions. [2021-10-28 23:14:15,180 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:15,180 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:15,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:15,182 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:15,182 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:15,182 INFO L791 eck$LassoCheckResult]: Stem: 2298#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(11); 2299#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 2311#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2307#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2308#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2337#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2336#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2335#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2334#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2333#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2332#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2331#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2330#L33-3 assume !(main_~i~0 < 5); 2304#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 2305#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 2320#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2296#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2297#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2329#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2328#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2327#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2326#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2325#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2324#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2323#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2322#L37-3 assume !(main_~i~0 < 5); 2316#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 2317#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 2309#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2294#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2295#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2310#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2321#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2292#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 2293#L42-4 main_~nc_B~0 := 0; 2318#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2302#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 2303#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2300#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 2301#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 2306#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2312#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 2313#L55-2 [2021-10-28 23:14:15,182 INFO L793 eck$LassoCheckResult]: Loop: 2313#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2319#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 2313#L55-2 [2021-10-28 23:14:15,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:15,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1199867054, now seen corresponding path program 2 times [2021-10-28 23:14:15,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:15,184 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891127026] [2021-10-28 23:14:15,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:15,184 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:15,255 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-28 23:14:15,255 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:15,255 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1891127026] [2021-10-28 23:14:15,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1891127026] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:14:15,256 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194505787] [2021-10-28 23:14:15,256 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:14:15,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:14:15,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:15,260 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:14:15,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Waiting until timeout for monitored process [2021-10-28 23:14:15,469 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:14:15,469 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:14:15,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 23:14:15,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:15,672 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2021-10-28 23:14:15,672 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194505787] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:14:15,672 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:14:15,672 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2021-10-28 23:14:15,673 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622541918] [2021-10-28 23:14:15,673 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:14:15,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:15,674 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 5 times [2021-10-28 23:14:15,674 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:15,674 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002675757] [2021-10-28 23:14:15,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:15,676 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:15,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:15,681 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:15,687 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:15,796 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:15,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-28 23:14:15,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2021-10-28 23:14:15,797 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. cyclomatic complexity: 9 Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 23:14:15,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:15,858 INFO L93 Difference]: Finished difference Result 52 states and 57 transitions. [2021-10-28 23:14:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:14:15,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 57 transitions. [2021-10-28 23:14:15,860 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:15,860 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 50 states and 55 transitions. [2021-10-28 23:14:15,861 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-28 23:14:15,861 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-28 23:14:15,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 55 transitions. [2021-10-28 23:14:15,861 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:15,861 INFO L681 BuchiCegarLoop]: Abstraction has 50 states and 55 transitions. [2021-10-28 23:14:15,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 55 transitions. [2021-10-28 23:14:15,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2021-10-28 23:14:15,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1041666666666667) internal successors, (53), 47 states have internal predecessors, (53), 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 23:14:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2021-10-28 23:14:15,869 INFO L704 BuchiCegarLoop]: Abstraction has 48 states and 53 transitions. [2021-10-28 23:14:15,869 INFO L587 BuchiCegarLoop]: Abstraction has 48 states and 53 transitions. [2021-10-28 23:14:15,869 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-10-28 23:14:15,869 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 53 transitions. [2021-10-28 23:14:15,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:15,870 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:15,870 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:15,872 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:15,873 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:15,874 INFO L791 eck$LassoCheckResult]: Stem: 2532#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(11); 2533#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 2543#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2541#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2542#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2573#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2572#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2570#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2568#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2566#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2564#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 2562#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 2560#L33-3 assume !(main_~i~0 < 5); 2538#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 2539#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 2556#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2530#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2531#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2571#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2569#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2567#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2565#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2563#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2561#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 2559#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 2558#L37-3 assume !(main_~i~0 < 5); 2550#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 2551#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 2544#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2528#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2529#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2545#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 2557#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 2526#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 2527#L42-4 main_~nc_B~0 := 0; 2552#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2553#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 2554#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2536#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 2537#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 2534#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 2535#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 2540#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2546#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 2547#L55-2 [2021-10-28 23:14:15,875 INFO L793 eck$LassoCheckResult]: Loop: 2547#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 2555#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 2547#L55-2 [2021-10-28 23:14:15,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:15,876 INFO L85 PathProgramCache]: Analyzing trace with hash -1976327923, now seen corresponding path program 3 times [2021-10-28 23:14:15,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:15,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417488349] [2021-10-28 23:14:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:15,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:15,949 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:16,009 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:16,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:16,017 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 6 times [2021-10-28 23:14:16,017 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:16,018 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678213736] [2021-10-28 23:14:16,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:16,018 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:16,026 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:16,030 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:16,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:16,032 INFO L85 PathProgramCache]: Analyzing trace with hash -875586576, now seen corresponding path program 2 times [2021-10-28 23:14:16,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:16,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267568457] [2021-10-28 23:14:16,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:16,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:16,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:16,095 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:16,144 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:24,181 WARN L207 SmtUtils]: Spent 7.92 s on a formula simplification. DAG size of input: 345 DAG size of output: 260 [2021-10-28 23:14:26,557 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:14:26,557 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:14:26,558 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:14:26,558 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:14:26,558 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:14:26,558 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:26,558 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:14:26,558 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:14:26,558 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration15_Lasso [2021-10-28 23:14:26,558 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:14:26,558 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:14:26,563 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:26,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:26,579 INFO 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 23:14:26,581 INFO 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 23:14:26,584 INFO 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 23:14:26,587 INFO 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 23:14:26,590 INFO 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 23:14:26,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,839 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,841 INFO 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 23:14:28,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,847 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,850 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,852 INFO 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 23:14:28,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,856 INFO 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 23:14:28,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:28,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:29,788 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:14:29,788 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:14:29,788 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:29,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:29,791 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:29,792 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:29,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-28 23:14:29,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:29,804 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:29,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:29,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:29,805 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:29,805 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:29,805 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:29,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:29,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:29,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:29,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:29,833 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:29,841 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:29,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:29,852 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:29,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:29,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:29,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:29,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:29,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:29,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-28 23:14:29,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:29,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:29,896 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:29,897 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:29,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-28 23:14:29,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:29,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:29,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:29,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:29,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:29,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:29,908 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:29,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:29,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:29,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-10-28 23:14:29,935 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:29,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:29,936 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:29,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-28 23:14:29,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:29,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:29,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:29,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:29,946 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:29,946 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:29,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:29,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:29,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:29,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:29,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:29,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:29,997 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:29,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-28 23:14:29,999 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:30,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,010 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,010 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-28 23:14:30,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,043 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-28 23:14:30,044 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:30,083 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,084 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-28 23:14:30,085 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:30,094 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:30,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,095 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:30,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:30,096 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-28 23:14:30,121 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,121 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-28 23:14:30,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,131 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,131 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:30,132 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,132 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,132 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,132 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:30,132 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:30,133 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-10-28 23:14:30,158 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,158 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,159 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-28 23:14:30,161 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,174 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-28 23:14:30,201 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,202 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-28 23:14:30,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,218 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,218 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-28 23:14:30,257 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,258 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-28 23:14:30,259 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:30,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:30,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,269 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:30,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:30,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-10-28 23:14:30,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,296 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-28 23:14:30,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,307 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:30,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,338 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-28 23:14:30,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,394 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-10-28 23:14:30,394 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,395 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-28 23:14:30,396 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,405 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:30,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,405 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:30,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:30,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-10-28 23:14:30,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,432 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-28 23:14:30,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:30,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,445 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-28 23:14:30,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,476 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-28 23:14:30,483 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,491 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-28 23:14:30,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,521 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-28 23:14:30,523 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 23:14:30,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,532 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-28 23:14:30,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,548 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2021-10-28 23:14:30,548 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,602 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-10-28 23:14:30,602 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,603 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-28 23:14:30,605 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,614 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:14:30,614 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,615 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 23:14:30,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-28 23:14:30,644 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,645 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-28 23:14:30,646 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,683 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:30,708 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,709 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-28 23:14:30,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:30,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:30,750 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,751 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-28 23:14:30,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:30,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,764 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:30,793 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:30,793 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,795 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-28 23:14:30,797 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 23:14:30,807 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:30,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:30,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:30,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:30,815 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:30,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:30,834 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:14:30,899 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2021-10-28 23:14:30,900 INFO L444 ModelExtractionUtils]: 1 out of 31 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-10-28 23:14:30,900 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:30,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:30,901 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:30,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-28 23:14:30,903 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:14:30,912 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:14:30,912 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:14:30,913 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_5) = -2*ULTIMATE.start_main_~i~0 + 3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_5 Supporting invariants [] [2021-10-28 23:14:30,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-10-28 23:14:31,347 INFO L297 tatePredicateManager]: 60 out of 62 supporting invariants were superfluous and have been removed [2021-10-28 23:14:31,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:31,382 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:31,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:31,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:14:31,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:32,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:14:32,088 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:32,143 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 23:14:32,144 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-28 23:14:32,145 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 53 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 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 23:14:32,284 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 53 transitions. cyclomatic complexity: 9. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 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 70 states and 82 transitions. Complement of second has 11 states. [2021-10-28 23:14:32,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:14:32,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 7 states have internal predecessors, (27), 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 23:14:32,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 40 transitions. [2021-10-28 23:14:32,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 44 letters. Loop has 2 letters. [2021-10-28 23:14:32,286 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:32,286 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 46 letters. Loop has 2 letters. [2021-10-28 23:14:32,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:32,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 44 letters. Loop has 4 letters. [2021-10-28 23:14:32,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:32,287 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 82 transitions. [2021-10-28 23:14:32,288 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:32,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 70 states and 82 transitions. [2021-10-28 23:14:32,289 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2021-10-28 23:14:32,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 49 [2021-10-28 23:14:32,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 82 transitions. [2021-10-28 23:14:32,290 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:32,290 INFO L681 BuchiCegarLoop]: Abstraction has 70 states and 82 transitions. [2021-10-28 23:14:32,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 82 transitions. [2021-10-28 23:14:32,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 63. [2021-10-28 23:14:32,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.1428571428571428) internal successors, (72), 62 states have internal predecessors, (72), 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 23:14:32,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2021-10-28 23:14:32,303 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 72 transitions. [2021-10-28 23:14:32,303 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 72 transitions. [2021-10-28 23:14:32,303 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-10-28 23:14:32,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 72 transitions. [2021-10-28 23:14:32,304 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:32,304 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:32,304 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:32,308 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:32,316 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:32,316 INFO L791 eck$LassoCheckResult]: Stem: 3082#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(11); 3083#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 3093#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3091#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3092#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3106#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3118#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3116#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3114#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3112#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3110#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3108#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3107#L33-3 assume !(main_~i~0 < 5); 3088#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 3089#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 3105#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3080#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3081#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3121#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3120#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3119#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3117#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3115#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3113#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3111#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3109#L37-3 assume !(main_~i~0 < 5); 3100#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 3101#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 3094#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3078#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3079#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3095#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3138#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3137#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 3136#L42-4 main_~nc_B~0 := 0; 3135#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3134#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3133#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3132#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3131#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3130#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 3129#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 3128#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3125#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 3090#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3096#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 3097#L55-2 [2021-10-28 23:14:32,317 INFO L793 eck$LassoCheckResult]: Loop: 3097#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3102#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 3097#L55-2 [2021-10-28 23:14:32,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:32,317 INFO L85 PathProgramCache]: Analyzing trace with hash -875586574, now seen corresponding path program 4 times [2021-10-28 23:14:32,318 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:32,318 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854079272] [2021-10-28 23:14:32,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:32,318 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:32,380 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:32,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:32,428 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:32,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:32,429 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 7 times [2021-10-28 23:14:32,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:32,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082093896] [2021-10-28 23:14:32,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:32,430 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:32,439 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:32,443 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:32,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:32,444 INFO L85 PathProgramCache]: Analyzing trace with hash 374894997, now seen corresponding path program 3 times [2021-10-28 23:14:32,444 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:32,444 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047251719] [2021-10-28 23:14:32,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:32,445 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:32,567 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-28 23:14:32,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:14:32,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2047251719] [2021-10-28 23:14:32,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2047251719] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:14:32,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097580960] [2021-10-28 23:14:32,568 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-10-28 23:14:32,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:14:32,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:32,572 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:14:32,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Waiting until timeout for monitored process [2021-10-28 23:14:32,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-10-28 23:14:32,849 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:14:32,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:14:32,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-10-28 23:14:33,085 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097580960] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:14:33,085 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:14:33,085 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-10-28 23:14:33,086 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081350512] [2021-10-28 23:14:33,173 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:14:33,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-10-28 23:14:33,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-10-28 23:14:33,174 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. cyclomatic complexity: 15 Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 14 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 23:14:33,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:14:33,459 INFO L93 Difference]: Finished difference Result 95 states and 108 transitions. [2021-10-28 23:14:33,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-10-28 23:14:33,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 95 states and 108 transitions. [2021-10-28 23:14:33,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:33,462 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 95 states to 54 states and 59 transitions. [2021-10-28 23:14:33,462 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2021-10-28 23:14:33,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2021-10-28 23:14:33,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 59 transitions. [2021-10-28 23:14:33,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:33,463 INFO L681 BuchiCegarLoop]: Abstraction has 54 states and 59 transitions. [2021-10-28 23:14:33,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 59 transitions. [2021-10-28 23:14:33,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 52. [2021-10-28 23:14:33,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.0961538461538463) internal successors, (57), 51 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:14:33,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2021-10-28 23:14:33,466 INFO L704 BuchiCegarLoop]: Abstraction has 52 states and 57 transitions. [2021-10-28 23:14:33,466 INFO L587 BuchiCegarLoop]: Abstraction has 52 states and 57 transitions. [2021-10-28 23:14:33,466 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-10-28 23:14:33,466 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 57 transitions. [2021-10-28 23:14:33,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:33,467 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:33,467 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:33,468 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:33,468 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:33,468 INFO L791 eck$LassoCheckResult]: Stem: 3420#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(11); 3421#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 3434#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3429#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3430#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3461#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3459#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3457#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3455#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3453#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3451#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 3450#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 3449#L33-3 assume !(main_~i~0 < 5); 3426#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 3427#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 3445#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3418#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3419#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3464#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3463#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3462#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3460#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3458#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3456#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 3454#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 3452#L37-3 assume !(main_~i~0 < 5); 3439#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 3440#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 3431#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3432#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3433#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3416#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3417#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3447#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 3446#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3414#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 3415#L42-4 main_~nc_B~0 := 0; 3441#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3424#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3425#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3465#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3442#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3443#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 3448#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 3422#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 3423#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 3428#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3435#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 3436#L55-2 [2021-10-28 23:14:33,468 INFO L793 eck$LassoCheckResult]: Loop: 3436#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 3444#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 3436#L55-2 [2021-10-28 23:14:33,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:33,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1312494829, now seen corresponding path program 5 times [2021-10-28 23:14:33,469 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:33,469 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307126441] [2021-10-28 23:14:33,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:33,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:33,497 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:33,529 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:33,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:33,530 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 8 times [2021-10-28 23:14:33,530 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:33,530 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2146098937] [2021-10-28 23:14:33,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:33,531 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:33,536 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:33,539 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:33,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:33,540 INFO L85 PathProgramCache]: Analyzing trace with hash -1412851760, now seen corresponding path program 4 times [2021-10-28 23:14:33,540 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:33,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124220961] [2021-10-28 23:14:33,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:33,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:33,597 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:33,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:40,630 WARN L207 SmtUtils]: Spent 6.88 s on a formula simplification. DAG size of input: 369 DAG size of output: 276 [2021-10-28 23:14:41,847 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:14:41,847 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:14:41,847 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:14:41,847 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:14:41,847 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:14:41,847 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:41,847 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:14:41,847 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:14:41,847 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration17_Lasso [2021-10-28 23:14:41,848 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:14:41,848 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:14:41,852 INFO 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 23:14:41,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:41,856 INFO 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 23:14:41,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:41,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:41,863 INFO 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 23:14:41,865 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 23:14:41,870 INFO 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 23:14:41,871 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 23:14:43,373 INFO 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 23:14:43,376 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 23:14:43,378 INFO 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 23:14:43,380 INFO 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 23:14:43,383 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 23:14:43,385 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 23:14:43,388 INFO 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 23:14:43,390 INFO 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 23:14:43,393 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:43,395 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:43,397 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:44,506 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:14:44,507 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:14:44,507 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,508 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-28 23:14:44,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:44,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,520 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:44,520 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:44,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-28 23:14:44,548 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,549 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-28 23:14:44,555 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:44,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:44,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:44,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:44,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-28 23:14:44,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,592 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-28 23:14:44,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:44,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,604 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:44,604 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:44,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-10-28 23:14:44,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,632 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:44,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-28 23:14:44,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,666 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:44,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:44,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:44,668 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-10-28 23:14:44,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,694 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-28 23:14:44,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:44,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,706 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:44,706 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,707 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:44,707 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:44,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-10-28 23:14:44,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,769 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-28 23:14:44,771 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 23:14:44,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:44,782 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:44,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,809 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:44,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,810 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-28 23:14:44,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:44,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:44,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:44,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:44,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-10-28 23:14:44,848 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,849 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-28 23:14:44,850 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:44,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:44,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,860 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:44,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:44,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-10-28 23:14:44,888 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,889 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-28 23:14:44,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:44,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,900 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-10-28 23:14:44,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,915 INFO L401 nArgumentSynthesizer]: We have 28 Motzkin's Theorem applications. [2021-10-28 23:14:44,915 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:44,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:44,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-10-28 23:14:44,967 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:44,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:44,967 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:44,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-28 23:14:44,969 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:44,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:44,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:44,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:44,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:44,979 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:44,979 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:44,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:45,008 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,009 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-28 23:14:45,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:45,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:45,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,020 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:45,020 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:45,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-10-28 23:14:45,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,046 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,064 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:45,068 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-28 23:14:45,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,073 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,073 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,073 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,074 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:45,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:45,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,102 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-10-28 23:14:45,102 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,102 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,103 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-28 23:14:45,109 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:45,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,118 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:14:45,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,119 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 23:14:45,119 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:45,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:45,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,150 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-28 23:14:45,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:45,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,162 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,162 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,162 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,163 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:45,163 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:45,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:45,192 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,193 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-28 23:14:45,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:45,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,206 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:45,206 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:45,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-10-28 23:14:45,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,235 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-28 23:14:45,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:45,245 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,245 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:45,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:45,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:45,247 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:45,273 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,274 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-28 23:14:45,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:14:45,284 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:14:45,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,285 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:14:45,285 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:14:45,286 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-10-28 23:14:45,311 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,312 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-28 23:14:45,313 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 23:14:45,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:45,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:45,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:45,352 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,353 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-28 23:14:45,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:14:45,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,365 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:45,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:45,368 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:14:45,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-10-28 23:14:45,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,394 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-28 23:14:45,395 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 23:14:45,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:14:45,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:14:45,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:14:45,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:14:45,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:14:45,415 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:14:45,442 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:14:45,500 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2021-10-28 23:14:45,500 INFO L444 ModelExtractionUtils]: 2 out of 31 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-10-28 23:14:45,501 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:45,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:14:45,509 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:14:45,510 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:14:45,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-28 23:14:45,541 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:14:45,541 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:14:45,541 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~#string_B~0.offset, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_6) = -1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~#string_B~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_6 Supporting invariants [] [2021-10-28 23:14:45,585 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:45,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-28 23:14:46,278 INFO L297 tatePredicateManager]: 76 out of 76 supporting invariants were superfluous and have been removed [2021-10-28 23:14:46,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:46,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:14:46,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:46,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:14:46,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 23:14:46,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:14:46,498 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 23:14:46,499 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 23:14:46,499 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 57 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 23:14:46,534 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 57 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 56 states and 63 transitions. Complement of second has 5 states. [2021-10-28 23:14:46,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 23:14:46,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 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 23:14:46,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2021-10-28 23:14:46,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 48 letters. Loop has 2 letters. [2021-10-28 23:14:46,535 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:46,535 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 50 letters. Loop has 2 letters. [2021-10-28 23:14:46,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:46,536 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 25 transitions. Stem has 48 letters. Loop has 4 letters. [2021-10-28 23:14:46,536 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:14:46,536 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 56 states and 63 transitions. [2021-10-28 23:14:46,537 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:46,538 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 56 states to 56 states and 63 transitions. [2021-10-28 23:14:46,538 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-10-28 23:14:46,538 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2021-10-28 23:14:46,539 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 63 transitions. [2021-10-28 23:14:46,539 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:14:46,539 INFO L681 BuchiCegarLoop]: Abstraction has 56 states and 63 transitions. [2021-10-28 23:14:46,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 63 transitions. [2021-10-28 23:14:46,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2021-10-28 23:14:46,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.125) internal successors, (63), 55 states have internal predecessors, (63), 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 23:14:46,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2021-10-28 23:14:46,542 INFO L704 BuchiCegarLoop]: Abstraction has 56 states and 63 transitions. [2021-10-28 23:14:46,542 INFO L587 BuchiCegarLoop]: Abstraction has 56 states and 63 transitions. [2021-10-28 23:14:46,542 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-10-28 23:14:46,542 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 63 transitions. [2021-10-28 23:14:46,543 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:14:46,543 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:14:46,543 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:14:46,544 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:14:46,544 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:14:46,544 INFO L791 eck$LassoCheckResult]: Stem: 4003#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(11); 4004#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 4014#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4012#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4013#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4041#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4040#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4038#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4037#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4036#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4035#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 4034#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 4032#L33-3 assume !(main_~i~0 < 5); 4009#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 4010#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 4027#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4001#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4002#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4049#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4048#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4047#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4046#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4045#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4044#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 4043#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 4042#L37-3 assume !(main_~i~0 < 5); 4021#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 4022#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 4015#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3999#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 4000#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 4016#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 4039#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 4029#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 4028#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 3997#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 3998#L42-4 main_~nc_B~0 := 0; 4023#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 4007#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 4008#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 4024#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 4033#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 4031#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 4030#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 4005#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 4006#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 4011#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 4017#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 4018#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 4050#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 4025#L55-2 [2021-10-28 23:14:46,544 INFO L793 eck$LassoCheckResult]: Loop: 4025#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 4026#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 4025#L55-2 [2021-10-28 23:14:46,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:46,545 INFO L85 PathProgramCache]: Analyzing trace with hash -1412851758, now seen corresponding path program 6 times [2021-10-28 23:14:46,545 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:46,545 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017530247] [2021-10-28 23:14:46,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:46,545 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:46,590 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:46,629 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:46,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:46,629 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 9 times [2021-10-28 23:14:46,630 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:46,630 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130032119] [2021-10-28 23:14:46,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:46,630 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:46,635 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:46,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:46,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:14:46,639 INFO L85 PathProgramCache]: Analyzing trace with hash -540871307, now seen corresponding path program 5 times [2021-10-28 23:14:46,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:14:46,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530500473] [2021-10-28 23:14:46,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:14:46,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:14:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:46,680 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:14:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:14:46,753 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:14:55,302 WARN L207 SmtUtils]: Spent 8.39 s on a formula simplification. DAG size of input: 393 DAG size of output: 294 [2021-10-28 23:14:56,526 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:14:56,526 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:14:56,527 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:14:56,527 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:14:56,527 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:14:56,527 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:14:56,527 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:14:56,527 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:14:56,527 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration18_Lasso [2021-10-28 23:14:56,527 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:14:56,527 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:14:56,532 INFO 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 23:14:56,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:56,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:56,566 INFO 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 23:14:56,569 INFO 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 23:14:56,572 INFO 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 23:14:56,574 INFO 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 23:14:56,576 INFO 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 23:14:56,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,164 INFO 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 23:14:58,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,167 INFO 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 23:14:58,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,173 INFO 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 23:14:58,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:14:58,421 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-10-28 23:15:00,226 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:15:00,227 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:15:00,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,229 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-28 23:15:00,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,239 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,239 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:00,263 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,264 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-28 23:15:00,269 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:00,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,277 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:00,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:00,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-10-28 23:15:00,302 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,303 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-28 23:15:00,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,312 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,312 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:00,312 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,312 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,313 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:00,313 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:00,314 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,337 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-10-28 23:15:00,338 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,339 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-28 23:15:00,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,354 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:00,395 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,396 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-28 23:15:00,397 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:00,406 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:00,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:00,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:00,432 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,433 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-28 23:15:00,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:00,442 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,442 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:00,442 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,442 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,442 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:00,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:00,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-10-28 23:15:00,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,468 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-28 23:15:00,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:00,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,478 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:00,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,478 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:00,478 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:00,479 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-10-28 23:15:00,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,505 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-28 23:15:00,506 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,515 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,515 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,517 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,517 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,520 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-10-28 23:15:00,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,546 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-28 23:15:00,548 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,559 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-10-28 23:15:00,586 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,587 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-28 23:15:00,588 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:00,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:00,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:00,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:00,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,623 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-10-28 23:15:00,623 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,624 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-28 23:15:00,625 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,634 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:00,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:00,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:00,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Ended with exit code 0 [2021-10-28 23:15:00,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,658 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-28 23:15:00,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,666 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,688 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:00,688 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,689 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-28 23:15:00,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Ended with exit code 0 [2021-10-28 23:15:00,719 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,720 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-28 23:15:00,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,728 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,728 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,729 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-10-28 23:15:00,751 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,751 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-28 23:15:00,752 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:00,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,784 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,785 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-10-28 23:15:00,786 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:00,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:00,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:00,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:00,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:00,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-10-28 23:15:00,813 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,814 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-10-28 23:15:00,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:00,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:00,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:00,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:00,824 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:00,830 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:00,830 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:00,843 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:15:00,880 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2021-10-28 23:15:00,880 INFO L444 ModelExtractionUtils]: 3 out of 31 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-10-28 23:15:00,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:00,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:00,881 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:00,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-10-28 23:15:00,882 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:15:00,890 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 23:15:00,890 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:15:00,890 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_7) = -5*ULTIMATE.start_main_~i~0 + 3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_7 Supporting invariants [3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_7 - 5*ULTIMATE.start_main_~nc_A~0 >= 0] [2021-10-28 23:15:00,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:00,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:01,188 INFO L297 tatePredicateManager]: 61 out of 62 supporting invariants were superfluous and have been removed [2021-10-28 23:15:01,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:01,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:01,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:15:01,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:01,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:15:01,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:01,975 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 23:15:01,976 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-10-28 23:15:01,976 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 23:15:02,723 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 108 states and 132 transitions. Complement of second has 20 states. [2021-10-28 23:15:02,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:15:02,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 23:15:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 80 transitions. [2021-10-28 23:15:02,724 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 80 transitions. Stem has 50 letters. Loop has 2 letters. [2021-10-28 23:15:02,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:02,724 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:15:02,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:02,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:15:02,790 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:03,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:03,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:15:03,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:03,524 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 23:15:03,525 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 2 loop predicates [2021-10-28 23:15:03,525 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 23:15:04,230 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 108 states and 132 transitions. Complement of second has 20 states. [2021-10-28 23:15:04,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 18 states 14 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:15:04,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 23:15:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 80 transitions. [2021-10-28 23:15:04,233 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 18 states and 80 transitions. Stem has 50 letters. Loop has 2 letters. [2021-10-28 23:15:04,233 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:04,233 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:15:04,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:04,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:04,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:15:04,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:05,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:15:05,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:05,055 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 23:15:05,056 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.12 stem predicates 2 loop predicates [2021-10-28 23:15:05,056 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12 Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 23:15:05,885 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 63 transitions. cyclomatic complexity: 12. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 114 states and 141 transitions. Complement of second has 20 states. [2021-10-28 23:15:05,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 20 states 16 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:15:05,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 23:15:05,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 96 transitions. [2021-10-28 23:15:05,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 96 transitions. Stem has 50 letters. Loop has 2 letters. [2021-10-28 23:15:05,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:05,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 96 transitions. Stem has 52 letters. Loop has 2 letters. [2021-10-28 23:15:05,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:05,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 20 states and 96 transitions. Stem has 50 letters. Loop has 4 letters. [2021-10-28 23:15:05,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:05,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 114 states and 141 transitions. [2021-10-28 23:15:05,890 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 23:15:05,892 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 114 states to 101 states and 120 transitions. [2021-10-28 23:15:05,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-10-28 23:15:05,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 64 [2021-10-28 23:15:05,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 101 states and 120 transitions. [2021-10-28 23:15:05,898 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:15:05,898 INFO L681 BuchiCegarLoop]: Abstraction has 101 states and 120 transitions. [2021-10-28 23:15:05,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states and 120 transitions. [2021-10-28 23:15:05,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 78. [2021-10-28 23:15:05,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.1666666666666667) internal successors, (91), 77 states have internal predecessors, (91), 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 23:15:05,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2021-10-28 23:15:05,906 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 91 transitions. [2021-10-28 23:15:05,906 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 91 transitions. [2021-10-28 23:15:05,907 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-10-28 23:15:05,907 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 91 transitions. [2021-10-28 23:15:05,908 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 23:15:05,908 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:15:05,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:15:05,909 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:05,909 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:15:05,909 INFO L791 eck$LassoCheckResult]: Stem: 5319#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(11); 5320#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 5331#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5329#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5330#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5350#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5364#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5362#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5360#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5358#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5356#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5354#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5353#L33-3 assume !(main_~i~0 < 5); 5325#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 5326#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 5349#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5317#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5318#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5367#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5366#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5365#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5363#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5361#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5359#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5357#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5355#L37-3 assume !(main_~i~0 < 5); 5339#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 5340#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 5332#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5333#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5380#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5315#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5316#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5334#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5379#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5313#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 5314#L42-4 main_~nc_B~0 := 0; 5341#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5342#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5343#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5344#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5373#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5370#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5368#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5369#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 5327#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 5328#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5346#L55 [2021-10-28 23:15:05,909 INFO L793 eck$LassoCheckResult]: Loop: 5346#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 5381#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5346#L55 [2021-10-28 23:15:05,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:05,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1012169865, now seen corresponding path program 1 times [2021-10-28 23:15:05,910 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:05,910 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746361942] [2021-10-28 23:15:05,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:05,910 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:05,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:05,955 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:05,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:05,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:05,996 INFO L85 PathProgramCache]: Analyzing trace with hash 3708, now seen corresponding path program 1 times [2021-10-28 23:15:05,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:05,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339578749] [2021-10-28 23:15:05,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:05,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:06,004 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:06,007 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:06,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:06,007 INFO L85 PathProgramCache]: Analyzing trace with hash 2032634116, now seen corresponding path program 7 times [2021-10-28 23:15:06,007 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:06,008 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828615213] [2021-10-28 23:15:06,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:06,008 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:06,046 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:06,102 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:20,177 WARN L207 SmtUtils]: Spent 13.96 s on a formula simplification. DAG size of input: 360 DAG size of output: 269 [2021-10-28 23:15:22,428 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:15:22,428 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:15:22,428 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:15:22,428 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:15:22,428 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:15:22,428 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:22,428 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:15:22,428 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:15:22,428 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration19_Lasso [2021-10-28 23:15:22,429 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:15:22,429 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:15:22,432 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:22,434 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 23:15:22,436 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 23:15:22,439 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 23:15:22,441 INFO 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 23:15:22,443 INFO 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 23:15:22,445 INFO 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 23:15:22,447 INFO 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 23:15:22,449 INFO 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 23:15:22,451 INFO 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 23:15:22,452 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:22,456 INFO 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 23:15:22,459 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:22,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:22,464 INFO 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 23:15:22,466 INFO 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 23:15:24,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:24,206 INFO 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 23:15:24,717 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:15:24,717 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:15:24,717 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:24,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:24,730 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:24,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:24,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-10-28 23:15:24,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:24,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:24,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:24,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:24,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:24,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:24,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:24,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:24,783 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-10-28 23:15:24,783 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:24,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:24,784 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:24,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-10-28 23:15:24,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:24,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:24,793 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:24,793 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:24,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:24,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:24,794 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:24,794 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:24,795 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:24,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:24,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:24,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:24,819 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:24,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-10-28 23:15:24,821 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:24,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:24,829 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:24,829 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:24,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:24,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:24,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:24,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:24,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-10-28 23:15:24,857 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:24,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:24,858 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:24,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-10-28 23:15:24,859 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:24,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:24,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:24,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:24,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:24,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:24,868 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:24,868 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:24,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:24,892 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-10-28 23:15:24,892 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:24,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:24,893 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:24,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-10-28 23:15:24,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:24,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:24,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:24,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:24,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:24,910 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:24,910 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:24,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:24,938 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Ended with exit code 0 [2021-10-28 23:15:24,939 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:24,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:24,940 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:24,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-10-28 23:15:24,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:24,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:24,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:24,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:24,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:24,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:24,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:24,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:24,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:24,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-10-28 23:15:24,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:24,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:24,977 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:24,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-10-28 23:15:24,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:24,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:24,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:24,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:24,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:24,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:24,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:24,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:24,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:25,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,013 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-10-28 23:15:25,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:25,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,023 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2021-10-28 23:15:25,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,050 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-10-28 23:15:25,051 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 23:15:25,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,060 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,060 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,060 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,061 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-10-28 23:15:25,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,088 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-10-28 23:15:25,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:25,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Ended with exit code 0 [2021-10-28 23:15:25,125 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,126 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-10-28 23:15:25,127 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:25,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:25,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:25,140 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-10-28 23:15:25,164 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,164 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-10-28 23:15:25,166 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 23:15:25,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-10-28 23:15:25,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,200 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-10-28 23:15:25,201 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:25,209 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,209 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,210 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,210 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,210 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,211 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-10-28 23:15:25,235 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,236 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-10-28 23:15:25,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:25,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,246 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,246 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,271 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-10-28 23:15:25,271 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,272 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-10-28 23:15:25,273 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:25,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,282 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,282 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,282 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,283 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:25,307 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,307 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-10-28 23:15:25,309 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:25,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:25,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:25,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-10-28 23:15:25,346 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,347 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-10-28 23:15:25,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:25,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:25,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:25,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-10-28 23:15:25,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,389 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-10-28 23:15:25,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:25,398 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,399 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,399 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,399 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2021-10-28 23:15:25,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,425 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-10-28 23:15:25,426 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 23:15:25,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,434 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,434 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:25,461 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,462 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-10-28 23:15:25,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:25,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:25,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:25,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-10-28 23:15:25,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,514 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-10-28 23:15:25,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:25,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:25,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:25,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:25,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,553 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-10-28 23:15:25,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:25,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,563 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:25,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:25,570 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-10-28 23:15:25,593 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,594 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-10-28 23:15:25,595 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 23:15:25,603 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,603 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:25,603 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,604 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,604 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:25,604 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:25,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:25,628 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-10-28 23:15:25,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,630 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-10-28 23:15:25,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:25,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:25,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:25,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:25,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:25,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:25,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:25,669 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:15:25,766 INFO L443 ModelExtractionUtils]: Simplification made 46 calls to the SMT solver. [2021-10-28 23:15:25,766 INFO L444 ModelExtractionUtils]: 1 out of 31 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-10-28 23:15:25,766 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:25,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:25,767 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:25,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-10-28 23:15:25,768 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:15:25,778 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-28 23:15:25,778 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:15:25,778 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_8) = -5*ULTIMATE.start_main_~i~0 + 3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_8 Supporting invariants [3*v_rep(select #length ULTIMATE.start_main_~#string_B~0.base)_8 - 5*ULTIMATE.start_main_~nc_A~0 >= 0] [2021-10-28 23:15:25,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:26,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-10-28 23:15:26,125 INFO L297 tatePredicateManager]: 52 out of 54 supporting invariants were superfluous and have been removed [2021-10-28 23:15:26,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:26,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-28 23:15:26,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:26,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:26,922 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:15:26,923 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:26,972 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 23:15:26,973 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.13 stem predicates 2 loop predicates [2021-10-28 23:15:26,973 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 91 transitions. cyclomatic complexity: 20 Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:27,771 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 91 transitions. cyclomatic complexity: 20. Second operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 88 states and 105 transitions. Complement of second has 16 states. [2021-10-28 23:15:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 14 states 11 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:15:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.4) internal successors, (36), 15 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:15:27,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 54 transitions. [2021-10-28 23:15:27,772 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 54 transitions. Stem has 47 letters. Loop has 2 letters. [2021-10-28 23:15:27,772 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:27,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 54 transitions. Stem has 49 letters. Loop has 2 letters. [2021-10-28 23:15:27,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:27,773 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 14 states and 54 transitions. Stem has 47 letters. Loop has 4 letters. [2021-10-28 23:15:27,773 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:27,773 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 105 transitions. [2021-10-28 23:15:27,775 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 23:15:27,776 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 87 states and 103 transitions. [2021-10-28 23:15:27,776 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-10-28 23:15:27,776 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-10-28 23:15:27,777 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 103 transitions. [2021-10-28 23:15:27,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:15:27,777 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 103 transitions. [2021-10-28 23:15:27,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 103 transitions. [2021-10-28 23:15:27,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 82. [2021-10-28 23:15:27,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 82 states have (on average 1.170731707317073) internal successors, (96), 81 states have internal predecessors, (96), 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 23:15:27,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2021-10-28 23:15:27,781 INFO L704 BuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2021-10-28 23:15:27,781 INFO L587 BuchiCegarLoop]: Abstraction has 82 states and 96 transitions. [2021-10-28 23:15:27,781 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-10-28 23:15:27,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states and 96 transitions. [2021-10-28 23:15:27,782 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 23:15:27,782 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:15:27,782 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:15:27,783 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 4, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:27,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:15:27,784 INFO L791 eck$LassoCheckResult]: Stem: 5921#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(11); 5922#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 5932#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5930#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5931#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5949#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5961#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5959#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5957#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5955#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5953#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 5951#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 5950#L33-3 assume !(main_~i~0 < 5); 5927#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 5928#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 5948#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5919#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5920#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5964#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5963#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5962#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5960#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5958#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5956#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 5954#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 5952#L37-3 assume !(main_~i~0 < 5); 5940#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 5941#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 5933#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5934#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5970#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5917#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5918#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5935#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 5968#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 5915#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 5916#L42-4 main_~nc_B~0 := 0; 5946#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5925#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5926#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5947#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5967#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5966#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 5965#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 5923#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 5924#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 5929#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5977#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 5996#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5936#L55 [2021-10-28 23:15:27,784 INFO L793 eck$LassoCheckResult]: Loop: 5936#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 5937#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 5936#L55 [2021-10-28 23:15:27,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:27,784 INFO L85 PathProgramCache]: Analyzing trace with hash 2032634054, now seen corresponding path program 2 times [2021-10-28 23:15:27,785 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:27,785 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984316457] [2021-10-28 23:15:27,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:27,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:27,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:27,819 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:27,869 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:27,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:27,871 INFO L85 PathProgramCache]: Analyzing trace with hash 3708, now seen corresponding path program 2 times [2021-10-28 23:15:27,871 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:27,871 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482119469] [2021-10-28 23:15:27,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:27,872 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:27,879 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:27,886 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:27,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:27,887 INFO L85 PathProgramCache]: Analyzing trace with hash -848791039, now seen corresponding path program 6 times [2021-10-28 23:15:27,887 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:27,887 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142349857] [2021-10-28 23:15:27,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:27,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:27,928 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:27,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:28,014 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:38,820 WARN L207 SmtUtils]: Spent 10.69 s on a formula simplification. DAG size of input: 383 DAG size of output: 280 [2021-10-28 23:15:40,136 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:15:40,136 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:15:40,136 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:15:40,136 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:15:40,136 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:15:40,136 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:40,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:15:40,136 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:15:40,136 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration20_Lasso [2021-10-28 23:15:40,136 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:15:40,137 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:15:40,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,149 INFO 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 23:15:40,151 INFO 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 23:15:40,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,160 INFO 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 23:15:40,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,164 INFO 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 23:15:40,167 INFO 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 23:15:40,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,174 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:40,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:41,407 INFO 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 23:15:41,409 INFO 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 23:15:42,120 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:15:42,120 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:15:42,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,122 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-10-28 23:15:42,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,167 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-10-28 23:15:42,169 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,178 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,178 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,203 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2021-10-28 23:15:42,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,205 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-10-28 23:15:42,216 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,225 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,225 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,225 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,225 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,225 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,251 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-10-28 23:15:42,253 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 23:15:42,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2021-10-28 23:15:42,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,289 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-10-28 23:15:42,290 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:42,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,299 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,299 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:42,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:42,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-10-28 23:15:42,328 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,329 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-10-28 23:15:42,330 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:42,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:42,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-10-28 23:15:42,368 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,369 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-10-28 23:15:42,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,406 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2021-10-28 23:15:42,406 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,407 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-10-28 23:15:42,408 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,418 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,419 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:42,419 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:42,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,494 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,520 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,521 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-10-28 23:15:42,543 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,586 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,604 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,604 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,606 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:42,607 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:42,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-10-28 23:15:42,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,665 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,666 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-10-28 23:15:42,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,742 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,759 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,760 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,760 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-10-28 23:15:42,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,811 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,816 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:42,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-10-28 23:15:42,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,889 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,890 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,892 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-10-28 23:15:42,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:42,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:42,957 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:42,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:42,965 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:42,967 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:42,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:42,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:42,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:42,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:42,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:42,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:42,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:42,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-10-28 23:15:43,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:43,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:43,045 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,046 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:43,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:43,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:43,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:43,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:43,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:43,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:43,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-10-28 23:15:43,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:43,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:43,118 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,120 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,123 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:43,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:43,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:43,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:43,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:43,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:43,137 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:43,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-10-28 23:15:43,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:43,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:43,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,172 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-10-28 23:15:43,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:15:43,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:43,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:43,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:43,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:43,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:43,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:43,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:43,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:43,209 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-10-28 23:15:43,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,210 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-10-28 23:15:43,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:43,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:43,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:43,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:43,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:43,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:43,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:43,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:43,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2021-10-28 23:15:43,249 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,250 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-10-28 23:15:43,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:43,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:43,260 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:15:43,260 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:43,260 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:43,260 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:43,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:15:43,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:15:43,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:43,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-10-28 23:15:43,286 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,287 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-10-28 23:15:43,288 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:43,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:43,297 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:15:43,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:43,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:43,299 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 23:15:43,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:43,302 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:43,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:43,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,327 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-10-28 23:15:43,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:43,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:43,337 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:43,337 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:43,337 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:43,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:43,338 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:43,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:15:43,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-10-28 23:15:43,366 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,367 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-10-28 23:15:43,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:15:43,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:15:43,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:15:43,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:15:43,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:15:43,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:15:43,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:15:43,411 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:15:43,467 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-10-28 23:15:43,467 INFO L444 ModelExtractionUtils]: 0 out of 31 variables were initially zero. Simplification set additionally 27 variables to zero. [2021-10-28 23:15:43,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:43,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:15:43,474 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:15:43,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-10-28 23:15:43,478 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:15:43,493 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:15:43,493 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:15:43,493 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_A~0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~nc_A~0 + 2*ULTIMATE.start_main_~j~0 - 2*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-28 23:15:43,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:43,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Forceful destruction successful, exit code 0 [2021-10-28 23:15:43,912 INFO L297 tatePredicateManager]: 75 out of 78 supporting invariants were superfluous and have been removed [2021-10-28 23:15:43,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:44,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:44,008 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 24 conjunts are in the unsatisfiable core [2021-10-28 23:15:44,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:15:45,085 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-28 23:15:45,085 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:15:45,137 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 23:15:45,138 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.11 stem predicates 2 loop predicates [2021-10-28 23:15:45,138 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 22 Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 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 23:15:45,348 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 82 states and 96 transitions. cyclomatic complexity: 22. Second operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 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 115 states and 142 transitions. Complement of second has 18 states. [2021-10-28 23:15:45,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 15 states 11 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-28 23:15:45,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 2.6923076923076925) internal successors, (35), 12 states have internal predecessors, (35), 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 23:15:45,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 53 transitions. [2021-10-28 23:15:45,350 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 53 transitions. Stem has 49 letters. Loop has 2 letters. [2021-10-28 23:15:45,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:45,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 53 transitions. Stem has 51 letters. Loop has 2 letters. [2021-10-28 23:15:45,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:45,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 15 states and 53 transitions. Stem has 49 letters. Loop has 4 letters. [2021-10-28 23:15:45,351 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:15:45,351 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 115 states and 142 transitions. [2021-10-28 23:15:45,353 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 23:15:45,354 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 115 states to 89 states and 105 transitions. [2021-10-28 23:15:45,355 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-10-28 23:15:45,355 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-10-28 23:15:45,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 105 transitions. [2021-10-28 23:15:45,355 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:15:45,355 INFO L681 BuchiCegarLoop]: Abstraction has 89 states and 105 transitions. [2021-10-28 23:15:45,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 105 transitions. [2021-10-28 23:15:45,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 84. [2021-10-28 23:15:45,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 84 states have (on average 1.1666666666666667) internal successors, (98), 83 states have internal predecessors, (98), 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 23:15:45,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 98 transitions. [2021-10-28 23:15:45,359 INFO L704 BuchiCegarLoop]: Abstraction has 84 states and 98 transitions. [2021-10-28 23:15:45,360 INFO L587 BuchiCegarLoop]: Abstraction has 84 states and 98 transitions. [2021-10-28 23:15:45,360 INFO L425 BuchiCegarLoop]: ======== Iteration 21============ [2021-10-28 23:15:45,360 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 84 states and 98 transitions. [2021-10-28 23:15:45,361 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 23:15:45,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:15:45,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:15:45,362 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:15:45,362 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:15:45,363 INFO L791 eck$LassoCheckResult]: Stem: 6647#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(11); 6648#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 6662#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6657#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6658#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6675#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6688#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6686#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6684#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6682#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6680#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 6679#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 6678#L33-3 assume !(main_~i~0 < 5); 6653#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 6654#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 6674#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6645#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6646#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6692#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6691#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6690#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6689#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6687#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6685#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 6683#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 6681#L37-3 assume !(main_~i~0 < 5); 6666#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 6667#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 6659#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 6643#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 6644#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 6701#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 6660#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 6661#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 6695#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 6697#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 6676#L42-4 main_~nc_B~0 := 0; 6677#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6704#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 6669#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6670#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 6712#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6711#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 6699#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6700#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 6710#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 6709#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 6655#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 6656#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 6672#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 6723#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 6714#L55 [2021-10-28 23:15:45,363 INFO L793 eck$LassoCheckResult]: Loop: 6714#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 6717#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 6714#L55 [2021-10-28 23:15:45,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:45,364 INFO L85 PathProgramCache]: Analyzing trace with hash 536132907, now seen corresponding path program 3 times [2021-10-28 23:15:45,364 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:45,364 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254260847] [2021-10-28 23:15:45,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:45,365 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:45,411 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:45,455 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:45,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:45,456 INFO L85 PathProgramCache]: Analyzing trace with hash 3708, now seen corresponding path program 3 times [2021-10-28 23:15:45,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:45,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1881831395] [2021-10-28 23:15:45,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:45,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:45,471 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:45,474 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:45,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:15:45,475 INFO L85 PathProgramCache]: Analyzing trace with hash -172349146, now seen corresponding path program 7 times [2021-10-28 23:15:45,476 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:15:45,476 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990236767] [2021-10-28 23:15:45,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:15:45,476 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:15:45,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:45,555 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:15:45,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:15:45,599 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:15:57,911 WARN L207 SmtUtils]: Spent 12.16 s on a formula simplification. DAG size of input: 395 DAG size of output: 288 [2021-10-28 23:15:59,849 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:15:59,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:15:59,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:15:59,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:15:59,850 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:15:59,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:15:59,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:15:59,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:15:59,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration21_Lasso [2021-10-28 23:15:59,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:15:59,850 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:15:59,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:59,856 INFO 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 23:15:59,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:59,861 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:15:59,863 INFO 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 23:15:59,865 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 23:15:59,867 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 23:15:59,868 INFO 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 23:15:59,870 INFO 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 23:15:59,873 INFO 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 23:15:59,882 INFO 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 23:15:59,885 INFO 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 23:15:59,888 INFO 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 23:15:59,890 INFO 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 23:15:59,893 INFO 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 23:15:59,897 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 23:16:01,685 INFO 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 23:16:01,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:02,210 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:16:02,210 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:16:02,210 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,212 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-10-28 23:16:02,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:02,223 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,223 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,223 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,223 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,223 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,224 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,224 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,250 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,253 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-10-28 23:16:02,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,275 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,276 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,277 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:02,277 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:02,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,305 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,306 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-10-28 23:16:02,310 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:02,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:02,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2021-10-28 23:16:02,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,349 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-10-28 23:16:02,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,359 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,359 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,360 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,386 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,387 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-10-28 23:16:02,388 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,398 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,424 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,425 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-10-28 23:16:02,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2021-10-28 23:16:02,465 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,466 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-10-28 23:16:02,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:02,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,515 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-10-28 23:16:02,516 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 23:16:02,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2021-10-28 23:16:02,551 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,552 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-10-28 23:16:02,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:02,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:02,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:02,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,591 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,592 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-10-28 23:16:02,593 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2021-10-28 23:16:02,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,630 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,631 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-10-28 23:16:02,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:02,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,641 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,642 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,667 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,668 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,669 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-10-28 23:16:02,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:02,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,680 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,680 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,706 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,707 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-10-28 23:16:02,708 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:02,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-10-28 23:16:02,753 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,754 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-10-28 23:16:02,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,764 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:02,764 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:02,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:02,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2021-10-28 23:16:02,789 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,793 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2021-10-28 23:16:02,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:02,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:02,807 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,831 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,832 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-10-28 23:16:02,834 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 23:16:02,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:02,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:02,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2021-10-28 23:16:02,873 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,874 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-10-28 23:16:02,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:02,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,884 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,884 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,884 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,885 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:02,885 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:02,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,912 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,913 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-10-28 23:16:02,914 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,925 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:02,925 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:02,928 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:02,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:02,953 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:02,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:02,955 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:02,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-10-28 23:16:02,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:02,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:02,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:02,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:02,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:02,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:02,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:02,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:03,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:03,012 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:03,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:03,013 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:03,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-10-28 23:16:03,014 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:03,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:03,023 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:16:03,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:03,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:03,025 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 23:16:03,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:03,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:03,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2021-10-28 23:16:03,055 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:03,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:03,056 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:03,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-10-28 23:16:03,057 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:03,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:03,066 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:03,066 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:03,066 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:03,067 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:03,068 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:03,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:03,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:03,095 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:03,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:03,096 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:03,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-10-28 23:16:03,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:03,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:03,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:03,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:03,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:03,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:03,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:03,132 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:16:03,158 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-28 23:16:03,158 INFO L444 ModelExtractionUtils]: 5 out of 31 variables were initially zero. Simplification set additionally 22 variables to zero. [2021-10-28 23:16:03,159 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:03,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:03,160 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:03,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-10-28 23:16:03,161 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:16:03,170 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:16:03,170 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:16:03,170 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_10, ULTIMATE.start_main_~j~0) = -2*ULTIMATE.start_main_~i~0 + 1*v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_10 + 2*ULTIMATE.start_main_~j~0 Supporting invariants [] [2021-10-28 23:16:03,196 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2021-10-28 23:16:03,561 INFO L297 tatePredicateManager]: 65 out of 68 supporting invariants were superfluous and have been removed [2021-10-28 23:16:03,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:03,643 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 16 conjunts are in the unsatisfiable core [2021-10-28 23:16:03,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:04,098 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:04,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 13 conjunts are in the unsatisfiable core [2021-10-28 23:16:04,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:04,603 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 23:16:04,603 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.7 stem predicates 2 loop predicates [2021-10-28 23:16:04,604 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 84 states and 98 transitions. cyclomatic complexity: 22 Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 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 23:16:04,795 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 84 states and 98 transitions. cyclomatic complexity: 22. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 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 99 states and 119 transitions. Complement of second has 14 states. [2021-10-28 23:16:04,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 11 states 7 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-28 23:16:04,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 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 23:16:04,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 42 transitions. [2021-10-28 23:16:04,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 42 transitions. Stem has 51 letters. Loop has 2 letters. [2021-10-28 23:16:04,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:04,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 42 transitions. Stem has 53 letters. Loop has 2 letters. [2021-10-28 23:16:04,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:04,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 11 states and 42 transitions. Stem has 51 letters. Loop has 4 letters. [2021-10-28 23:16:04,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:04,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 119 transitions. [2021-10-28 23:16:04,799 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:16:04,800 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 62 states and 70 transitions. [2021-10-28 23:16:04,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-28 23:16:04,800 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 23:16:04,800 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 70 transitions. [2021-10-28 23:16:04,800 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:16:04,800 INFO L681 BuchiCegarLoop]: Abstraction has 62 states and 70 transitions. [2021-10-28 23:16:04,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 70 transitions. [2021-10-28 23:16:04,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2021-10-28 23:16:04,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.11864406779661) internal successors, (66), 58 states have internal predecessors, (66), 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 23:16:04,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 66 transitions. [2021-10-28 23:16:04,808 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 66 transitions. [2021-10-28 23:16:04,808 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 66 transitions. [2021-10-28 23:16:04,809 INFO L425 BuchiCegarLoop]: ======== Iteration 22============ [2021-10-28 23:16:04,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 66 transitions. [2021-10-28 23:16:04,810 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:16:04,810 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:16:04,810 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:16:04,811 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:04,811 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:16:04,811 INFO L791 eck$LassoCheckResult]: Stem: 7313#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(11); 7314#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 7324#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7322#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7323#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7352#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7350#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7348#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7347#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7346#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7345#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7344#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7343#L33-3 assume !(main_~i~0 < 5); 7319#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 7320#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 7338#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7311#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7312#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7337#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7357#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7356#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7355#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7354#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7353#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7351#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7349#L37-3 assume !(main_~i~0 < 5); 7331#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 7332#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 7325#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7309#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7310#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7326#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7360#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7359#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7358#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7340#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7339#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7307#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 7308#L42-4 main_~nc_B~0 := 0; 7333#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7334#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7335#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7317#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7318#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7342#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7341#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7315#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 7316#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 7321#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7361#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 7330#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7327#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 7328#L55-2 [2021-10-28 23:16:04,812 INFO L793 eck$LassoCheckResult]: Loop: 7328#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7363#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 7328#L55-2 [2021-10-28 23:16:04,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:04,812 INFO L85 PathProgramCache]: Analyzing trace with hash -490836425, now seen corresponding path program 8 times [2021-10-28 23:16:04,812 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:04,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442236676] [2021-10-28 23:16:04,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:04,813 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:04,939 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-28 23:16:04,939 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:04,939 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442236676] [2021-10-28 23:16:04,939 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442236676] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:04,940 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1547308028] [2021-10-28 23:16:04,940 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-28 23:16:04,940 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:04,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:04,941 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:04,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (227)] Waiting until timeout for monitored process [2021-10-28 23:16:05,859 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-28 23:16:05,859 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:16:05,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 10 conjunts are in the unsatisfiable core [2021-10-28 23:16:05,862 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:06,088 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 20 proven. 12 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2021-10-28 23:16:06,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1547308028] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:06,088 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 23:16:06,089 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 16 [2021-10-28 23:16:06,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167576873] [2021-10-28 23:16:06,089 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:16:06,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:06,089 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 10 times [2021-10-28 23:16:06,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:06,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050095057] [2021-10-28 23:16:06,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:06,090 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:06,099 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:16:06,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:06,103 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:16:06,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:06,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-10-28 23:16:06,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=150, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:16:06,226 INFO L87 Difference]: Start difference. First operand 59 states and 66 transitions. cyclomatic complexity: 12 Second operand has 16 states, 16 states have (on average 2.9375) internal successors, (47), 16 states have internal predecessors, (47), 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 23:16:06,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:06,297 INFO L93 Difference]: Finished difference Result 65 states and 72 transitions. [2021-10-28 23:16:06,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-28 23:16:06,298 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 65 states and 72 transitions. [2021-10-28 23:16:06,299 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:16:06,301 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 65 states to 63 states and 70 transitions. [2021-10-28 23:16:06,301 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 41 [2021-10-28 23:16:06,301 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 41 [2021-10-28 23:16:06,301 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 70 transitions. [2021-10-28 23:16:06,301 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:16:06,302 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 70 transitions. [2021-10-28 23:16:06,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 70 transitions. [2021-10-28 23:16:06,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2021-10-28 23:16:06,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.1147540983606556) internal successors, (68), 60 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:16:06,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 68 transitions. [2021-10-28 23:16:06,305 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 68 transitions. [2021-10-28 23:16:06,305 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 68 transitions. [2021-10-28 23:16:06,305 INFO L425 BuchiCegarLoop]: ======== Iteration 23============ [2021-10-28 23:16:06,305 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 68 transitions. [2021-10-28 23:16:06,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:16:06,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:16:06,306 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:16:06,307 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:06,307 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:16:06,307 INFO L791 eck$LassoCheckResult]: Stem: 7609#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(11); 7610#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 7622#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7618#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7619#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7650#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7648#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7646#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7644#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7642#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7640#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 7639#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 7638#L33-3 assume !(main_~i~0 < 5); 7615#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 7616#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 7633#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7607#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7608#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7653#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7652#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7651#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7649#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7647#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7645#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 7643#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 7641#L37-3 assume !(main_~i~0 < 5); 7627#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 7628#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 7620#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7605#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7606#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7621#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7661#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7660#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7659#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7635#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 7634#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 7603#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 7604#L42-4 main_~nc_B~0 := 0; 7629#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7630#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7631#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7613#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7614#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7663#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7662#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7637#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 7636#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 7611#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 7612#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 7617#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7656#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 7626#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7623#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 7624#L55-2 [2021-10-28 23:16:06,308 INFO L793 eck$LassoCheckResult]: Loop: 7624#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 7632#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 7624#L55-2 [2021-10-28 23:16:06,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:06,308 INFO L85 PathProgramCache]: Analyzing trace with hash 733724978, now seen corresponding path program 9 times [2021-10-28 23:16:06,309 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:06,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353644965] [2021-10-28 23:16:06,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:06,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:06,340 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:16:06,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:06,374 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:16:06,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:06,375 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 11 times [2021-10-28 23:16:06,375 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:06,375 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570894674] [2021-10-28 23:16:06,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:06,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:06,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:06,384 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:16:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:06,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:16:06,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:06,389 INFO L85 PathProgramCache]: Analyzing trace with hash 735069909, now seen corresponding path program 8 times [2021-10-28 23:16:06,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:06,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671113409] [2021-10-28 23:16:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:06,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:06,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:06,506 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:16:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:06,555 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:16:17,845 WARN L207 SmtUtils]: Spent 11.18 s on a formula simplification. DAG size of input: 417 DAG size of output: 311 [2021-10-28 23:16:19,703 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:16:19,704 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:16:19,704 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:16:19,704 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:16:19,704 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:16:19,704 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:19,704 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:16:19,704 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:16:19,704 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration23_Lasso [2021-10-28 23:16:19,704 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:16:19,704 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:16:19,707 INFO 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 23:16:19,709 INFO 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 23:16:19,711 INFO 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 23:16:19,713 INFO 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 23:16:19,716 INFO 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 23:16:19,718 INFO 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 23:16:19,720 INFO 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 23:16:19,721 INFO 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 23:16:19,723 INFO 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 23:16:19,725 INFO 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 23:16:19,727 INFO 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 23:16:19,729 INFO 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 23:16:22,522 INFO 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 23:16:22,524 INFO 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 23:16:22,527 INFO 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 23:16:22,528 INFO 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 23:16:22,530 INFO 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 23:16:22,532 INFO 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 23:16:22,534 INFO 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 23:16:22,536 INFO 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 23:16:22,796 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-10-28 23:16:26,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:16:26,598 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:16:26,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:26,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:26,616 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:26,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:26,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:26,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:26,644 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:26,644 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:26,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:26,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:26,645 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:26,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-10-28 23:16:26,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:26,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:26,701 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:26,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:26,702 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:26,705 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:26,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:26,716 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:26,716 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:26,716 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:26,718 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:26,718 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:26,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-10-28 23:16:26,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:26,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:26,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:26,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:26,781 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:26,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Waiting until timeout for monitored process [2021-10-28 23:16:26,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:26,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:26,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:26,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:26,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:26,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:26,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:26,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:26,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:26,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (230)] Ended with exit code 0 [2021-10-28 23:16:26,820 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:26,821 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:26,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Waiting until timeout for monitored process [2021-10-28 23:16:26,822 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:26,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:26,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:26,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:26,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:26,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:26,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:26,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:26,859 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (231)] Ended with exit code 0 [2021-10-28 23:16:26,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:26,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:26,861 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:26,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2021-10-28 23:16:26,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:26,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:26,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:26,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:26,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:26,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:26,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:26,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:26,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:26,898 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2021-10-28 23:16:26,898 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:26,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:26,899 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:26,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2021-10-28 23:16:26,900 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:26,909 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:26,909 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:26,909 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:26,909 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:26,909 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:26,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:26,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:26,911 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:26,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2021-10-28 23:16:26,936 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:26,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:26,937 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:26,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2021-10-28 23:16:26,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:26,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:26,947 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:26,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:26,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:26,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:26,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:26,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:26,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:26,976 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Ended with exit code 0 [2021-10-28 23:16:26,976 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:26,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:26,977 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:26,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2021-10-28 23:16:26,979 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:26,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:26,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:26,988 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:26,988 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:26,988 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:26,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:26,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:26,989 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:27,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:27,014 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:27,014 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:27,015 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:27,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2021-10-28 23:16:27,016 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:27,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:27,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:27,025 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:27,025 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:27,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:27,026 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:27,026 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:27,027 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:27,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Ended with exit code 0 [2021-10-28 23:16:27,053 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:27,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:27,054 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:27,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2021-10-28 23:16:27,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:27,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:27,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:27,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:27,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:27,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:27,065 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:27,065 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:27,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:27,092 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Ended with exit code 0 [2021-10-28 23:16:27,093 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:27,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:27,094 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:27,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2021-10-28 23:16:27,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:27,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:27,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:27,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:27,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:27,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:27,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:27,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:27,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:27,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2021-10-28 23:16:27,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:27,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:27,133 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:27,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2021-10-28 23:16:27,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:27,147 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:27,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:27,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:27,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:27,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:27,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:27,175 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:16:27,234 INFO L443 ModelExtractionUtils]: Simplification made 30 calls to the SMT solver. [2021-10-28 23:16:27,234 INFO L444 ModelExtractionUtils]: 11 out of 31 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-10-28 23:16:27,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:27,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:27,235 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:27,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2021-10-28 23:16:27,237 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:16:27,248 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:16:27,249 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:16:27,249 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_11, ULTIMATE.start_main_~j~0) = 7*v_rep(select #length ULTIMATE.start_main_~#string_A~0.base)_11 - 2*ULTIMATE.start_main_~j~0 Supporting invariants [] [2021-10-28 23:16:27,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2021-10-28 23:16:27,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:27,995 INFO L297 tatePredicateManager]: 115 out of 116 supporting invariants were superfluous and have been removed [2021-10-28 23:16:28,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:28,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:16:28,067 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:28,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:28,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:16:28,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:28,431 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 23:16:28,432 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-28 23:16:28,432 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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 23:16:28,529 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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) Result 85 states and 101 transitions. Complement of second has 11 states. [2021-10-28 23:16:28,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:16:28,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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 23:16:28,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 40 transitions. [2021-10-28 23:16:28,530 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 54 letters. Loop has 2 letters. [2021-10-28 23:16:28,530 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:28,531 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:16:28,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:28,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:28,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:16:28,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:28,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:28,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:16:28,880 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:28,912 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 23:16:28,913 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-28 23:16:28,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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 23:16:29,041 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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) Result 85 states and 101 transitions. Complement of second has 11 states. [2021-10-28 23:16:29,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:16:29,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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 23:16:29,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 40 transitions. [2021-10-28 23:16:29,043 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 54 letters. Loop has 2 letters. [2021-10-28 23:16:29,043 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:29,043 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-28 23:16:29,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:29,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:29,111 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 12 conjunts are in the unsatisfiable core [2021-10-28 23:16:29,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:29,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:29,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-28 23:16:29,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:29,464 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 23:16:29,464 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2021-10-28 23:16:29,465 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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 23:16:29,590 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 68 transitions. cyclomatic complexity: 12. Second operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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) Result 91 states and 110 transitions. Complement of second has 10 states. [2021-10-28 23:16:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 6 stem states 1 non-accepting loop states 2 accepting loop states [2021-10-28 23:16:29,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 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 23:16:29,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 42 transitions. [2021-10-28 23:16:29,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 42 transitions. Stem has 54 letters. Loop has 2 letters. [2021-10-28 23:16:29,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:29,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 42 transitions. Stem has 56 letters. Loop has 2 letters. [2021-10-28 23:16:29,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:29,593 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 42 transitions. Stem has 54 letters. Loop has 4 letters. [2021-10-28 23:16:29,593 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:29,593 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 91 states and 110 transitions. [2021-10-28 23:16:29,594 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-10-28 23:16:29,596 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 91 states to 87 states and 104 transitions. [2021-10-28 23:16:29,596 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2021-10-28 23:16:29,596 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-10-28 23:16:29,596 INFO L73 IsDeterministic]: Start isDeterministic. Operand 87 states and 104 transitions. [2021-10-28 23:16:29,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:16:29,596 INFO L681 BuchiCegarLoop]: Abstraction has 87 states and 104 transitions. [2021-10-28 23:16:29,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states and 104 transitions. [2021-10-28 23:16:29,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 71. [2021-10-28 23:16:29,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 71 states have (on average 1.1549295774647887) internal successors, (82), 70 states have internal predecessors, (82), 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 23:16:29,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 82 transitions. [2021-10-28 23:16:29,599 INFO L704 BuchiCegarLoop]: Abstraction has 71 states and 82 transitions. [2021-10-28 23:16:29,599 INFO L587 BuchiCegarLoop]: Abstraction has 71 states and 82 transitions. [2021-10-28 23:16:29,600 INFO L425 BuchiCegarLoop]: ======== Iteration 24============ [2021-10-28 23:16:29,600 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 71 states and 82 transitions. [2021-10-28 23:16:29,601 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-28 23:16:29,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:16:29,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:16:29,602 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:29,602 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:16:29,602 INFO L791 eck$LassoCheckResult]: Stem: 8997#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(11); 8998#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 9008#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9006#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9007#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9033#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9031#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9030#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9028#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9026#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9024#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9023#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9022#L33-3 assume !(main_~i~0 < 5); 9003#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 9004#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 9019#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 8995#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 8996#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9040#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9039#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9038#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9037#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9036#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9035#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9034#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9032#L37-3 assume !(main_~i~0 < 5); 9015#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 9016#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 9009#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 8993#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 8994#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9010#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9029#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9027#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9025#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9021#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9020#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 8991#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 8992#L42-4 main_~nc_B~0 := 0; 9017#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9001#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9002#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9018#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9046#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9045#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9043#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9044#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9061#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9060#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 9059#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 9048#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9013#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 9014#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9011#L55 [2021-10-28 23:16:29,602 INFO L793 eck$LassoCheckResult]: Loop: 9011#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 9012#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9011#L55 [2021-10-28 23:16:29,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:29,603 INFO L85 PathProgramCache]: Analyzing trace with hash -946162842, now seen corresponding path program 4 times [2021-10-28 23:16:29,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:29,603 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696993209] [2021-10-28 23:16:29,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:29,603 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:29,639 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:16:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:29,678 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:16:29,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:29,679 INFO L85 PathProgramCache]: Analyzing trace with hash 3708, now seen corresponding path program 4 times [2021-10-28 23:16:29,679 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:29,679 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170549276] [2021-10-28 23:16:29,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:29,680 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:29,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:29,720 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:16:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:29,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:16:29,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:29,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1270578337, now seen corresponding path program 9 times [2021-10-28 23:16:29,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:29,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271852847] [2021-10-28 23:16:29,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:29,727 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:29,773 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:16:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:29,812 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:16:46,251 WARN L207 SmtUtils]: Spent 16.31 s on a formula simplification. DAG size of input: 407 DAG size of output: 297 [2021-10-28 23:16:48,178 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 23:16:48,178 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 23:16:48,178 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 23:16:48,178 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 23:16:48,178 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 23:16:48,179 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:48,179 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 23:16:48,179 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 23:16:48,179 INFO L133 ssoRankerPreferences]: Filename of dumped script: string-1.i_Iteration24_Lasso [2021-10-28 23:16:48,179 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 23:16:48,179 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 23:16:48,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,184 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,194 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,196 INFO 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 23:16:48,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,201 INFO 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 23:16:48,203 INFO 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 23:16:48,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,208 INFO 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 23:16:48,210 INFO 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 23:16:48,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 23:16:48,216 INFO 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 23:16:50,263 INFO 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 23:16:50,952 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 23:16:50,952 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 23:16:50,952 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:50,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:50,958 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:50,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2021-10-28 23:16:50,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:50,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:50,969 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:50,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:50,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:50,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:50,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:50,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:50,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:50,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2021-10-28 23:16:50,996 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:50,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:50,997 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2021-10-28 23:16:51,000 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,009 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,010 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,010 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2021-10-28 23:16:51,042 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,043 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2021-10-28 23:16:51,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,057 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,086 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,087 INFO L229 MonitoredProcess]: Starting monitored process 244 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Waiting until timeout for monitored process [2021-10-28 23:16:51,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:51,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,098 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (244)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,124 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,125 INFO L229 MonitoredProcess]: Starting monitored process 245 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Waiting until timeout for monitored process [2021-10-28 23:16:51,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,138 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:51,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:51,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,166 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (245)] Ended with exit code 0 [2021-10-28 23:16:51,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,167 INFO L229 MonitoredProcess]: Starting monitored process 246 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Waiting until timeout for monitored process [2021-10-28 23:16:51,168 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,177 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,177 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,177 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,177 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,177 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,178 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,178 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (246)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,204 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,205 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,205 INFO L229 MonitoredProcess]: Starting monitored process 247 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Waiting until timeout for monitored process [2021-10-28 23:16:51,207 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,216 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,216 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,216 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,217 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (247)] Ended with exit code 0 [2021-10-28 23:16:51,244 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,245 INFO L229 MonitoredProcess]: Starting monitored process 248 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Waiting until timeout for monitored process [2021-10-28 23:16:51,247 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,256 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,256 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,256 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,257 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,257 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (248)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,284 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,285 INFO L229 MonitoredProcess]: Starting monitored process 249 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Waiting until timeout for monitored process [2021-10-28 23:16:51,287 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 23:16:51,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,297 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:51,297 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:51,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (249)] Ended with exit code 0 [2021-10-28 23:16:51,325 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,326 INFO L229 MonitoredProcess]: Starting monitored process 250 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Waiting until timeout for monitored process [2021-10-28 23:16:51,327 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,336 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,336 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,337 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (250)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,415 INFO L229 MonitoredProcess]: Starting monitored process 251 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,428 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,428 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,429 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,429 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,429 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,429 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Waiting until timeout for monitored process [2021-10-28 23:16:51,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (251)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,484 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,486 INFO L229 MonitoredProcess]: Starting monitored process 252 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,488 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:51,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:51,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Waiting until timeout for monitored process [2021-10-28 23:16:51,515 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (252)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,557 INFO L229 MonitoredProcess]: Starting monitored process 253 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,559 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,571 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,571 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,571 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Waiting until timeout for monitored process [2021-10-28 23:16:51,595 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,637 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (253)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,637 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,639 INFO L229 MonitoredProcess]: Starting monitored process 254 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Waiting until timeout for monitored process [2021-10-28 23:16:51,644 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (254)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,722 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,727 INFO L229 MonitoredProcess]: Starting monitored process 255 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Waiting until timeout for monitored process [2021-10-28 23:16:51,729 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 23:16:51,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:51,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:51,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (255)] Ended with exit code 0 [2021-10-28 23:16:51,768 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,771 INFO L229 MonitoredProcess]: Starting monitored process 256 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,773 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 23:16:51,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Waiting until timeout for monitored process [2021-10-28 23:16:51,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:51,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:51,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:51,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (256)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,815 INFO L229 MonitoredProcess]: Starting monitored process 257 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Waiting until timeout for monitored process [2021-10-28 23:16:51,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:51,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:51,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:51,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,855 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (257)] Ended with exit code 0 [2021-10-28 23:16:51,856 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,857 INFO L229 MonitoredProcess]: Starting monitored process 258 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Waiting until timeout for monitored process [2021-10-28 23:16:51,858 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,867 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:16:51,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,869 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 23:16:51,869 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:51,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,899 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (258)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,899 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:51,900 INFO L229 MonitoredProcess]: Starting monitored process 259 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:51,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Waiting until timeout for monitored process [2021-10-28 23:16:51,901 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:51,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:51,911 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:51,911 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:51,911 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:51,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:51,914 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:51,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:51,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (259)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:51,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:51,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,000 INFO L229 MonitoredProcess]: Starting monitored process 260 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:52,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:52,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:52,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:52,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Waiting until timeout for monitored process [2021-10-28 23:16:52,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (260)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:52,074 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,076 INFO L229 MonitoredProcess]: Starting monitored process 261 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:52,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:52,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:52,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:52,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Waiting until timeout for monitored process [2021-10-28 23:16:52,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (261)] Ended with exit code 0 [2021-10-28 23:16:52,149 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,150 INFO L229 MonitoredProcess]: Starting monitored process 262 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Waiting until timeout for monitored process [2021-10-28 23:16:52,152 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:52,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:52,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:52,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:52,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:52,163 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (262)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:52,189 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,190 INFO L229 MonitoredProcess]: Starting monitored process 263 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Waiting until timeout for monitored process [2021-10-28 23:16:52,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:52,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:52,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:52,203 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:52,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (263)] Ended with exit code 0 [2021-10-28 23:16:52,231 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,232 INFO L229 MonitoredProcess]: Starting monitored process 264 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Waiting until timeout for monitored process [2021-10-28 23:16:52,233 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:52,242 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,243 INFO L203 nArgumentSynthesizer]: 8 stem disjuncts [2021-10-28 23:16:52,243 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-10-28 23:16:52,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,292 INFO L401 nArgumentSynthesizer]: We have 44 Motzkin's Theorem applications. [2021-10-28 23:16:52,292 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-10-28 23:16:52,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (264)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:52,440 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,442 INFO L229 MonitoredProcess]: Starting monitored process 265 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:52,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:52,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:52,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:52,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:52,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Waiting until timeout for monitored process [2021-10-28 23:16:52,470 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (265)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:52,514 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,515 INFO L229 MonitoredProcess]: Starting monitored process 266 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,518 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:52,530 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,530 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 23:16:52,530 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,532 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 23:16:52,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:52,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Waiting until timeout for monitored process [2021-10-28 23:16:52,551 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (266)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:52,596 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,599 INFO L229 MonitoredProcess]: Starting monitored process 267 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 23:16:52,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 23:16:52,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:52,621 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,621 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 23:16:52,622 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 23:16:52,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Waiting until timeout for monitored process [2021-10-28 23:16:52,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (267)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:52,683 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,684 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,687 INFO L229 MonitoredProcess]: Starting monitored process 268 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,690 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:52,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:52,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:52,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:52,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Waiting until timeout for monitored process [2021-10-28 23:16:52,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 23:16:52,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (268)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:52,757 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,759 INFO L229 MonitoredProcess]: Starting monitored process 269 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 23:16:52,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 23:16:52,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 23:16:52,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 23:16:52,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 23:16:52,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Waiting until timeout for monitored process [2021-10-28 23:16:52,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 23:16:52,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 23:16:52,810 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 23:16:52,862 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-28 23:16:52,862 INFO L444 ModelExtractionUtils]: 3 out of 31 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-10-28 23:16:52,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:16:52,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:52,864 INFO L229 MonitoredProcess]: Starting monitored process 270 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:16:52,868 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 23:16:52,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Waiting until timeout for monitored process [2021-10-28 23:16:52,900 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 23:16:52,900 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 23:16:52,900 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~nc_A~0, ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~nc_A~0 + 1*ULTIMATE.start_main_~j~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-28 23:16:52,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (269)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:53,377 INFO L297 tatePredicateManager]: 67 out of 67 supporting invariants were superfluous and have been removed [2021-10-28 23:16:53,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:53,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (270)] Forceful destruction successful, exit code 0 [2021-10-28 23:16:53,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:53,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 23:16:53,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:53,637 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-28 23:16:53,637 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:53,659 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 23:16:53,659 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 23:16:53,660 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 71 states and 82 transitions. cyclomatic complexity: 17 Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:16:53,684 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 71 states and 82 transitions. cyclomatic complexity: 17. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 105 states and 129 transitions. Complement of second has 6 states. [2021-10-28 23:16:53,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 23:16:53,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:16:53,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-28 23:16:53,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 53 letters. Loop has 2 letters. [2021-10-28 23:16:53,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:53,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 55 letters. Loop has 2 letters. [2021-10-28 23:16:53,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:53,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 53 letters. Loop has 4 letters. [2021-10-28 23:16:53,687 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 23:16:53,687 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 105 states and 129 transitions. [2021-10-28 23:16:53,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:16:53,690 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 105 states to 72 states and 82 transitions. [2021-10-28 23:16:53,690 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 39 [2021-10-28 23:16:53,691 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2021-10-28 23:16:53,691 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 82 transitions. [2021-10-28 23:16:53,691 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-28 23:16:53,691 INFO L681 BuchiCegarLoop]: Abstraction has 72 states and 82 transitions. [2021-10-28 23:16:53,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 82 transitions. [2021-10-28 23:16:53,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 65. [2021-10-28 23:16:53,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.123076923076923) internal successors, (73), 64 states have internal predecessors, (73), 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 23:16:53,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 73 transitions. [2021-10-28 23:16:53,694 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2021-10-28 23:16:53,694 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 73 transitions. [2021-10-28 23:16:53,694 INFO L425 BuchiCegarLoop]: ======== Iteration 25============ [2021-10-28 23:16:53,695 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 73 transitions. [2021-10-28 23:16:53,696 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-28 23:16:53,696 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 23:16:53,696 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 23:16:53,697 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 23:16:53,697 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 23:16:53,697 INFO L791 eck$LassoCheckResult]: Stem: 9629#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(11); 9630#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~post3, main_#t~mem5, main_#t~nondet7, main_#t~post6, main_#t~mem8, main_#t~post10, main_#t~mem9, main_#t~post12, main_#t~mem11, main_#t~mem13, main_#t~mem14, main_#t~post15, main_#t~post16, main_~#string_A~0.base, main_~#string_A~0.offset, main_~#string_B~0.base, main_~#string_B~0.offset, main_~i~0, main_~j~0, main_~nc_A~0, main_~nc_B~0, main_~found~0;call main_~#string_A~0.base, main_~#string_A~0.offset := #Ultimate.allocOnStack(5);call main_~#string_B~0.base, main_~#string_B~0.offset := #Ultimate.allocOnStack(5);havoc main_~i~0;havoc main_~j~0;havoc main_~nc_A~0;havoc main_~nc_B~0;main_~found~0 := 0;main_~i~0 := 0; 9640#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9638#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9639#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9671#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9670#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9669#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9668#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9666#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9664#L33-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet4, main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);havoc main_#t~nondet4; 9662#L33-2 main_#t~post3 := main_~i~0;main_~i~0 := 1 + main_#t~post3;havoc main_#t~post3; 9660#L33-3 assume !(main_~i~0 < 5); 9635#L33-4 call main_#t~mem5 := read~int(main_~#string_A~0.base, 4 + main_~#string_A~0.offset, 1); 9636#L35 assume !!(0 == main_#t~mem5);havoc main_#t~mem5;main_~i~0 := 0; 9655#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9627#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9628#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9682#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9681#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9680#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9679#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9678#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9677#L37-3 assume !!(main_~i~0 < 5);call write~int(main_#t~nondet7, main_~#string_B~0.base, main_~#string_B~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 9676#L37-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 9675#L37-3 assume !(main_~i~0 < 5); 9646#L37-4 call main_#t~mem8 := read~int(main_~#string_B~0.base, 4 + main_~#string_B~0.offset, 1); 9647#L39 assume !!(0 == main_#t~mem8);havoc main_#t~mem8;main_~nc_A~0 := 0; 9641#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9625#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9626#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9642#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9674#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9673#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9672#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9657#L42-1 assume !!(0 != main_#t~mem9);havoc main_#t~mem9;main_#t~post10 := main_~nc_A~0;main_~nc_A~0 := 1 + main_#t~post10;havoc main_#t~post10; 9656#L42-3 call main_#t~mem9 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~nc_A~0, 1); 9623#L42-1 assume !(0 != main_#t~mem9);havoc main_#t~mem9; 9624#L42-4 main_~nc_B~0 := 0; 9652#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9653#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9654#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9633#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9634#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9667#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9665#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9663#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9661#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9659#L46-1 assume !!(0 != main_#t~mem11);havoc main_#t~mem11;main_#t~post12 := main_~nc_B~0;main_~nc_B~0 := 1 + main_#t~post12;havoc main_#t~post12; 9658#L46-3 call main_#t~mem11 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~nc_B~0, 1); 9631#L46-1 assume !(0 != main_#t~mem11);havoc main_#t~mem11; 9632#L46-4 assume !!(main_~nc_B~0 >= main_~nc_A~0);main_~j~0 := 0;main_~i~0 := main_~j~0; 9637#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9643#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 9644#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9687#L55 assume !(main_#t~mem13 == main_#t~mem14);havoc main_#t~mem13;havoc main_#t~mem14;main_~i~0 := 1 + (main_~i~0 - main_~j~0);main_~j~0 := 0; 9686#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9685#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 9648#L55-2 [2021-10-28 23:16:53,698 INFO L793 eck$LassoCheckResult]: Loop: 9648#L55-2 assume !!(main_~i~0 < main_~nc_A~0 && main_~j~0 < main_~nc_B~0);call main_#t~mem13 := read~int(main_~#string_A~0.base, main_~#string_A~0.offset + main_~i~0, 1);call main_#t~mem14 := read~int(main_~#string_B~0.base, main_~#string_B~0.offset + main_~j~0, 1); 9649#L55 assume main_#t~mem13 == main_#t~mem14;havoc main_#t~mem13;havoc main_#t~mem14;main_#t~post15 := main_~i~0;main_~i~0 := 1 + main_#t~post15;havoc main_#t~post15;main_#t~post16 := main_~j~0;main_~j~0 := 1 + main_#t~post16;havoc main_#t~post16; 9648#L55-2 [2021-10-28 23:16:53,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:53,698 INFO L85 PathProgramCache]: Analyzing trace with hash 1067820112, now seen corresponding path program 10 times [2021-10-28 23:16:53,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:53,699 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706400862] [2021-10-28 23:16:53,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:53,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:53,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:16:53,941 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 21 proven. 9 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-28 23:16:53,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:16:53,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [706400862] [2021-10-28 23:16:53,941 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [706400862] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 23:16:53,941 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574078856] [2021-10-28 23:16:53,941 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2021-10-28 23:16:53,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 23:16:53,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:16:53,944 INFO L229 MonitoredProcess]: Starting monitored process 271 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 23:16:53,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (271)] Waiting until timeout for monitored process [2021-10-28 23:16:55,060 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-10-28 23:16:55,061 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-28 23:16:55,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-28 23:16:55,065 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 23:16:55,108 INFO L354 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2021-10-28 23:16:55,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2021-10-28 23:16:55,747 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2021-10-28 23:16:55,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574078856] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:16:55,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-10-28 23:16:55,747 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2021-10-28 23:16:55,747 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792584742] [2021-10-28 23:16:55,748 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-28 23:16:55,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:16:55,748 INFO L85 PathProgramCache]: Analyzing trace with hash 3556, now seen corresponding path program 12 times [2021-10-28 23:16:55,748 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:16:55,748 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561186214] [2021-10-28 23:16:55,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:16:55,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:16:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:55,768 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:16:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:16:55,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:16:55,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:16:55,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-28 23:16:55,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=146, Unknown=0, NotChecked=0, Total=240 [2021-10-28 23:16:55,885 INFO L87 Difference]: Start difference. First operand 65 states and 73 transitions. cyclomatic complexity: 14 Second operand has 9 states, 9 states have (on average 3.5555555555555554) internal successors, (32), 9 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 23:16:55,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 23:16:55,941 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2021-10-28 23:16:55,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 23:16:55,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 50 transitions. [2021-10-28 23:16:55,945 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:16:55,945 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 0 states and 0 transitions. [2021-10-28 23:16:55,945 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 23:16:55,945 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 23:16:55,945 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 23:16:55,946 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:16:55,946 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:16:55,946 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:16:55,946 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 23:16:55,946 INFO L425 BuchiCegarLoop]: ======== Iteration 26============ [2021-10-28 23:16:55,946 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 23:16:55,947 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:16:55,947 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:16:55,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:16:55 BoogieIcfgContainer [2021-10-28 23:16:55,955 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:16:55,956 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:16:55,956 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:16:55,957 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:16:55,957 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:13:34" (3/4) ... [2021-10-28 23:16:55,964 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:16:55,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:16:55,965 INFO L168 Benchmark]: Toolchain (without parser) took 202196.58 ms. Allocated memory was 92.3 MB in the beginning and 329.3 MB in the end (delta: 237.0 MB). Free memory was 55.7 MB in the beginning and 53.5 MB in the end (delta: 2.2 MB). Peak memory consumption was 238.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:55,965 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory is still 71.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:16:55,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 373.23 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 55.5 MB in the beginning and 101.2 MB in the end (delta: -45.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:55,966 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.04 ms. Allocated memory is still 125.8 MB. Free memory was 101.2 MB in the beginning and 99.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:55,966 INFO L168 Benchmark]: Boogie Preprocessor took 50.45 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 98.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:55,967 INFO L168 Benchmark]: RCFGBuilder took 459.35 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 86.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:55,967 INFO L168 Benchmark]: BuchiAutomizer took 201219.82 ms. Allocated memory was 125.8 MB in the beginning and 329.3 MB in the end (delta: 203.4 MB). Free memory was 86.0 MB in the beginning and 53.5 MB in the end (delta: 32.5 MB). Peak memory consumption was 236.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:16:55,967 INFO L168 Benchmark]: Witness Printer took 7.78 ms. Allocated memory is still 329.3 MB. Free memory is still 53.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:16:55,969 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 92.3 MB. Free memory is still 71.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 373.23 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 55.5 MB in the beginning and 101.2 MB in the end (delta: -45.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.04 ms. Allocated memory is still 125.8 MB. Free memory was 101.2 MB in the beginning and 99.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 50.45 ms. Allocated memory is still 125.8 MB. Free memory was 99.6 MB in the beginning and 98.0 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 459.35 ms. Allocated memory is still 125.8 MB. Free memory was 98.0 MB in the beginning and 86.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 201219.82 ms. Allocated memory was 125.8 MB in the beginning and 329.3 MB in the end (delta: 203.4 MB). Free memory was 86.0 MB in the beginning and 53.5 MB in the end (delta: 32.5 MB). Peak memory consumption was 236.9 MB. Max. memory is 16.1 GB. * Witness Printer took 7.78 ms. Allocated memory is still 329.3 MB. Free memory is still 53.5 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 25 terminating modules (13 trivial, 10 deterministic, 2 nondeterministic). One deterministic module has affine ranking function 9 * unknown-#length-unknown[string_A] + -2 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * nc_A + unknown-#length-unknown[string_A] + -1 * string_A and consists of 3 locations. One deterministic module has affine ranking function unknown-#length-unknown[string_B] + -1 * nc_B + -1 * string_B and consists of 3 locations. One deterministic module has affine ranking function nc_A + -1 * i and consists of 3 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[string_B] + -2 * i and consists of 9 locations. One deterministic module has affine ranking function unknown-#length-unknown[string_B] + -1 * j + -1 * string_B and consists of 3 locations. One deterministic module has affine ranking function 3 * unknown-#length-unknown[string_B] + -5 * i and consists of 14 locations. One deterministic module has affine ranking function 2 * j + -2 * i + nc_A and consists of 15 locations. One deterministic module has affine ranking function 2 * j + unknown-#length-unknown[string_A] + -2 * i and consists of 11 locations. One deterministic module has affine ranking function j + nc_A + -1 * i and consists of 4 locations. One nondeterministic module has affine ranking function 3 * unknown-#length-unknown[string_B] + -5 * i and consists of 20 locations. One nondeterministic module has affine ranking function 7 * unknown-#length-unknown[string_A] + -2 * j and consists of 9 locations. 13 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 201.1s and 26 iterations. TraceHistogramMax:6. Analysis of lassos took 186.2s. Construction of modules took 1.9s. Büchi inclusion checks took 12.4s. Highest rank in rank-based complementation 3. Minimization of det autom 8. Minimization of nondet autom 17. Automata minimization 0.1s AutomataMinimizationTime, 24 MinimizatonAttempts, 126 StatesRemovedByMinimization, 19 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 84 states and ocurred in iteration 20. Nontrivial modules had stage [10, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 441 SDtfs, 982 SDslu, 865 SDs, 0 SdLazy, 2121 SolverSat, 425 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc4 concLT0 SILN0 SILU9 SILI0 SILT0 lasso12 LassoPreprocessingBenchmarks: Lassos: inital424 mio100 ax100 hnf99 lsp96 ukn44 mio100 lsp48 div100 bol100 ite100 ukn100 eq176 hnf92 smp96 dnf451 smp85 tf100 neg94 sie112 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 163ms VariablesStem: 9 VariablesLoop: 7 DisjunctsStem: 8 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 44 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 23:16:56,012 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (271)] Ended with exit code 0 [2021-10-28 23:16:56,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (227)] Ended with exit code 0 [2021-10-28 23:16:56,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (115)] Ended with exit code 0 [2021-10-28 23:16:56,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (91)] Ended with exit code 0 [2021-10-28 23:16:56,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (90)] Ended with exit code 0 [2021-10-28 23:16:57,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2021-10-28 23:16:57,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2021-10-28 23:16:57,419 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2021-10-28 23:16:57,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2021-10-28 23:16:57,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2021-10-28 23:16:58,020 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2021-10-28 23:16:58,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_01648238-3885-4a87-9abb-30b774593783/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...