./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-dietlibc/strtok_r.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 22:08:32,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 22:08:32,167 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 22:08:32,194 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 22:08:32,195 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 22:08:32,196 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 22:08:32,197 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 22:08:32,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 22:08:32,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 22:08:32,201 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 22:08:32,202 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 22:08:32,203 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 22:08:32,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 22:08:32,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 22:08:32,205 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 22:08:32,206 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 22:08:32,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 22:08:32,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 22:08:32,209 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 22:08:32,211 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 22:08:32,213 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 22:08:32,214 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 22:08:32,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 22:08:32,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 22:08:32,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 22:08:32,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 22:08:32,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 22:08:32,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 22:08:32,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 22:08:32,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 22:08:32,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 22:08:32,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 22:08:32,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 22:08:32,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 22:08:32,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 22:08:32,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 22:08:32,228 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 22:08:32,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 22:08:32,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 22:08:32,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 22:08:32,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 22:08:32,231 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 22:08:32,255 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 22:08:32,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 22:08:32,256 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 22:08:32,256 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 22:08:32,257 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 22:08:32,257 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 22:08:32,257 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 22:08:32,258 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 22:08:32,258 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 22:08:32,258 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 22:08:32,258 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 22:08:32,258 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 22:08:32,258 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 22:08:32,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 22:08:32,259 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 22:08:32,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 22:08:32,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 22:08:32,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 22:08:32,259 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 22:08:32,259 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 22:08:32,259 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 22:08:32,259 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 22:08:32,260 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 22:08:32,260 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 22:08:32,260 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 22:08:32,260 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 22:08:32,260 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 22:08:32,260 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 22:08:32,260 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 22:08:32,261 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 22:08:32,261 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_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 768358a1bcdb56fc885a8df113baa43d689898e0e32c0ab06e790a868148d36d [2021-12-06 22:08:32,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 22:08:32,469 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 22:08:32,471 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 22:08:32,472 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 22:08:32,472 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 22:08:32,473 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-12-06 22:08:32,513 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/data/972cec967/9e3c5c99c1824f54b7a69ee301282528/FLAGa80a538e3 [2021-12-06 22:08:32,933 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 22:08:32,933 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/sv-benchmarks/c/termination-dietlibc/strtok_r.i [2021-12-06 22:08:32,945 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/data/972cec967/9e3c5c99c1824f54b7a69ee301282528/FLAGa80a538e3 [2021-12-06 22:08:32,954 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/data/972cec967/9e3c5c99c1824f54b7a69ee301282528 [2021-12-06 22:08:32,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 22:08:32,957 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 22:08:32,958 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 22:08:32,958 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 22:08:32,960 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 22:08:32,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:08:32" (1/1) ... [2021-12-06 22:08:32,962 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14336bd9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:32, skipping insertion in model container [2021-12-06 22:08:32,962 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 10:08:32" (1/1) ... [2021-12-06 22:08:32,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 22:08:32,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 22:08:33,184 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:08:33,190 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 22:08:33,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 22:08:33,239 INFO L208 MainTranslator]: Completed translation [2021-12-06 22:08:33,240 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33 WrapperNode [2021-12-06 22:08:33,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 22:08:33,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 22:08:33,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 22:08:33,241 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 22:08:33,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,275 INFO L137 Inliner]: procedures = 118, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 155 [2021-12-06 22:08:33,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 22:08:33,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 22:08:33,276 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 22:08:33,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 22:08:33,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,285 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,285 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,298 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 22:08:33,299 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 22:08:33,299 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 22:08:33,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 22:08:33,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (1/1) ... [2021-12-06 22:08:33,305 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:33,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:33,324 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:33,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 22:08:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 22:08:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 22:08:33,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 22:08:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 22:08:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 22:08:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 22:08:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 22:08:33,353 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 22:08:33,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 22:08:33,418 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 22:08:33,420 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 22:08:33,629 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 22:08:33,635 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 22:08:33,635 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 22:08:33,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:33 BoogieIcfgContainer [2021-12-06 22:08:33,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 22:08:33,638 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 22:08:33,638 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 22:08:33,642 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 22:08:33,642 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:08:33,642 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 10:08:32" (1/3) ... [2021-12-06 22:08:33,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65f9833f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:08:33, skipping insertion in model container [2021-12-06 22:08:33,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:08:33,643 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 10:08:33" (2/3) ... [2021-12-06 22:08:33,643 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65f9833f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 10:08:33, skipping insertion in model container [2021-12-06 22:08:33,643 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 22:08:33,644 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:33" (3/3) ... [2021-12-06 22:08:33,645 INFO L388 chiAutomizerObserver]: Analyzing ICFG strtok_r.i [2021-12-06 22:08:33,676 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 22:08:33,676 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 22:08:33,676 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 22:08:33,677 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 22:08:33,677 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 22:08:33,677 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 22:08:33,677 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 22:08:33,677 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 22:08:33,687 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:33,703 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-06 22:08:33,704 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:33,704 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:33,710 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:08:33,710 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:08:33,710 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 22:08:33,710 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:33,713 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-06 22:08:33,713 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:33,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:33,714 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:08:33,714 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:08:33,721 INFO L791 eck$LassoCheckResult]: Stem: 22#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 8#L544true assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 30#L548true assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 26#L532true assume strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0;call strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset := read~$Pointer$(strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, 8);strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset; 23#L532-2true assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 10#L510-4true [2021-12-06 22:08:33,722 INFO L793 eck$LassoCheckResult]: Loop: 10#L510-4true call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 31#L510-1true assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 7#L511-6true assume !true; 27#L511-7true call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 17#L512true assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 16#L510-3true strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 10#L510-4true [2021-12-06 22:08:33,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:33,727 INFO L85 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 1 times [2021-12-06 22:08:33,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:33,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044583279] [2021-12-06 22:08:33,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:33,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:33,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:33,917 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:33,917 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044583279] [2021-12-06 22:08:33,918 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044583279] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:33,918 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:33,918 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:08:33,920 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684453719] [2021-12-06 22:08:33,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:33,925 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:08:33,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:33,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1573281738, now seen corresponding path program 1 times [2021-12-06 22:08:33,926 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:33,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876075785] [2021-12-06 22:08:33,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:33,926 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:33,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:33,941 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:33,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876075785] [2021-12-06 22:08:33,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876075785] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:33,942 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:33,942 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-12-06 22:08:33,942 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1807331577] [2021-12-06 22:08:33,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:33,944 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-06 22:08:33,944 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:33,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-12-06 22:08:33,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-12-06 22:08:33,979 INFO L87 Difference]: Start difference. First operand has 34 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 33 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:33,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:33,987 INFO L93 Difference]: Finished difference Result 34 states and 45 transitions. [2021-12-06 22:08:33,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-12-06 22:08:33,992 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2021-12-06 22:08:33,994 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-06 22:08:33,998 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 26 states and 32 transitions. [2021-12-06 22:08:33,999 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-12-06 22:08:33,999 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-12-06 22:08:34,000 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 32 transitions. [2021-12-06 22:08:34,000 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:08:34,000 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-06 22:08:34,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 32 transitions. [2021-12-06 22:08:34,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-06 22:08:34,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 25 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:34,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-12-06 22:08:34,020 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-06 22:08:34,020 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-06 22:08:34,020 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 22:08:34,021 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-12-06 22:08:34,021 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-06 22:08:34,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:34,022 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:34,022 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:08:34,022 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:34,022 INFO L791 eck$LassoCheckResult]: Stem: 99#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 86#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 84#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 85#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 101#L532 assume strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0;call strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset := read~$Pointer$(strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, 8);strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset; 100#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 87#L510-4 [2021-12-06 22:08:34,022 INFO L793 eck$LassoCheckResult]: Loop: 87#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 88#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 82#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 83#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 103#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 102#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 94#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 93#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 87#L510-4 [2021-12-06 22:08:34,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:34,023 INFO L85 PathProgramCache]: Analyzing trace with hash 889571276, now seen corresponding path program 2 times [2021-12-06 22:08:34,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:34,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968539640] [2021-12-06 22:08:34,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:34,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:34,068 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:34,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968539640] [2021-12-06 22:08:34,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968539640] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:34,068 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:34,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-12-06 22:08:34,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712813987] [2021-12-06 22:08:34,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:34,069 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:08:34,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:34,070 INFO L85 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 1 times [2021-12-06 22:08:34,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:34,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712626848] [2021-12-06 22:08:34,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:34,071 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:34,083 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:34,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:34,106 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:34,252 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:34,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-12-06 22:08:34,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-12-06 22:08:34,253 INFO L87 Difference]: Start difference. First operand 26 states and 32 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:34,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:34,271 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2021-12-06 22:08:34,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 22:08:34,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2021-12-06 22:08:34,273 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-06 22:08:34,274 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 31 transitions. [2021-12-06 22:08:34,274 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-12-06 22:08:34,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-12-06 22:08:34,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 31 transitions. [2021-12-06 22:08:34,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:08:34,274 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-06 22:08:34,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 31 transitions. [2021-12-06 22:08:34,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2021-12-06 22:08:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 25 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:34,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 31 transitions. [2021-12-06 22:08:34,277 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-06 22:08:34,277 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 31 transitions. [2021-12-06 22:08:34,277 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 22:08:34,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 31 transitions. [2021-12-06 22:08:34,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 17 [2021-12-06 22:08:34,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:34,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:34,278 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:08:34,278 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:34,278 INFO L791 eck$LassoCheckResult]: Stem: 160#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 145#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 146#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 162#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 161#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 148#L510-4 [2021-12-06 22:08:34,278 INFO L793 eck$LassoCheckResult]: Loop: 148#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 149#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 143#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 144#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 164#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 163#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 155#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 154#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 148#L510-4 [2021-12-06 22:08:34,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:34,279 INFO L85 PathProgramCache]: Analyzing trace with hash 889571338, now seen corresponding path program 1 times [2021-12-06 22:08:34,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:34,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116260389] [2021-12-06 22:08:34,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:34,279 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:34,295 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:34,311 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:34,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:34,311 INFO L85 PathProgramCache]: Analyzing trace with hash -347496813, now seen corresponding path program 2 times [2021-12-06 22:08:34,312 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:34,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907821306] [2021-12-06 22:08:34,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:34,312 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:34,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:34,319 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:34,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:34,326 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:34,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:34,326 INFO L85 PathProgramCache]: Analyzing trace with hash -126923364, now seen corresponding path program 1 times [2021-12-06 22:08:34,326 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:34,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264309887] [2021-12-06 22:08:34,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:34,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:34,353 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:34,376 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:35,344 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:35,344 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:35,344 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:35,344 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:35,344 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:08:35,345 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:35,345 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:35,345 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:35,345 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration3_Lasso [2021-12-06 22:08:35,345 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:35,345 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:35,364 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,369 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,371 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,372 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,379 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,381 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,383 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,384 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,385 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,386 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,387 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,710 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,713 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,715 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,719 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:35,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:36,004 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:36,007 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:08:36,008 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 22:08:36,014 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 [2021-12-06 22:08:36,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,045 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,046 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 22:08:36,049 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,056 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,056 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,057 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,057 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,057 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,057 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,057 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,059 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 22:08:36,079 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,080 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 22:08:36,085 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 [2021-12-06 22:08:36,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,094 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 22:08:36,112 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,113 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 22:08:36,114 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,121 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,121 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,122 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,122 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,123 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 22:08:36,141 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,142 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 22:08:36,143 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,150 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,151 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,151 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,170 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,170 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,171 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 22:08:36,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,179 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,199 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 22:08:36,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,200 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 22:08:36,201 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 [2021-12-06 22:08:36,207 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,207 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,208 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,208 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 22:08:36,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,228 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 22:08:36,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,259 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,260 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 22:08:36,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,269 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 22:08:36,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,289 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 22:08:36,290 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 [2021-12-06 22:08:36,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,297 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,297 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,297 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,300 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,301 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,304 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,322 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,323 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,324 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 22:08:36,325 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,332 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,332 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,333 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,334 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,353 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,353 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 22:08:36,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,362 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,362 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 22:08:36,382 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,382 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,382 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 22:08:36,383 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,391 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 22:08:36,410 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,411 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 22:08:36,412 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,419 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,419 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,419 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,419 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,419 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,420 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 22:08:36,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,439 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 22:08:36,442 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,449 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,450 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,468 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-06 22:08:36,468 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,469 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 22:08:36,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,477 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,477 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,477 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,477 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,477 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,478 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,496 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,497 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 22:08:36,498 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,504 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,505 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,505 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,505 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,505 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,505 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 22:08:36,524 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,525 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 22:08:36,526 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,533 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,534 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,553 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,554 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 22:08:36,555 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 [2021-12-06 22:08:36,562 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,562 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,562 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,563 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,563 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 22:08:36,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,584 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 22:08:36,585 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,595 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,595 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,617 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,618 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 22:08:36,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 22:08:36,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,650 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,651 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 22:08:36,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,661 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,661 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,661 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,667 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,679 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,697 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,698 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 22:08:36,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,710 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,710 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,731 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-12-06 22:08:36,731 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,732 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 22:08:36,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2021-12-06 22:08:36,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,763 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 22:08:36,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,772 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,772 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,772 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,774 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,774 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,795 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 22:08:36,795 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,796 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 22:08:36,797 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 [2021-12-06 22:08:36,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,826 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,826 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 22:08:36,828 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,835 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 22:08:36,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,858 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 22:08:36,859 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 [2021-12-06 22:08:36,866 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,867 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,867 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,889 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 22:08:36,890 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,896 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:36,916 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,917 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 22:08:36,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,925 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,925 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 22:08:36,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,927 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 22:08:36,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,929 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 22:08:36,947 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,948 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 22:08:36,949 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,960 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:36,960 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:36,967 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:36,986 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 22:08:36,986 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:36,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:36,987 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:36,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 22:08:36,988 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:36,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:36,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:36,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:36,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:36,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:36,995 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:36,995 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:36,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:37,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:37,015 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:37,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:37,015 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:37,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 22:08:37,016 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 [2021-12-06 22:08:37,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:37,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:37,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:37,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:37,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:37,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:37,031 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:37,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 22:08:37,049 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:37,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:37,049 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:37,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 22:08:37,051 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 [2021-12-06 22:08:37,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:37,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:37,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:37,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:37,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:37,062 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:37,071 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:08:37,104 INFO L443 ModelExtractionUtils]: Simplification made 18 calls to the SMT solver. [2021-12-06 22:08:37,104 INFO L444 ModelExtractionUtils]: 10 out of 31 variables were initially zero. Simplification set additionally 16 variables to zero. [2021-12-06 22:08:37,105 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:37,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:37,106 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:37,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 22:08:37,107 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:08:37,115 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 22:08:37,116 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:08:37,116 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strspn_~s#1.offset, ULTIMATE.start_main_~in_len~0#1) = -1*ULTIMATE.start_strspn_~s#1.offset + 1*ULTIMATE.start_main_~in_len~0#1 Supporting invariants [1*ULTIMATE.start_main_~in_len~0#1 - 1*v_rep(select #length ULTIMATE.start_strspn_~s#1.base)_1 >= 0] [2021-12-06 22:08:37,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 22:08:37,180 INFO L297 tatePredicateManager]: 12 out of 13 supporting invariants were superfluous and have been removed [2021-12-06 22:08:37,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:37,228 INFO L263 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 25 conjunts are in the unsatisfiable core [2021-12-06 22:08:37,230 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:37,275 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 22:08:37,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:08:37,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:08:37,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:08:37,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 19 [2021-12-06 22:08:37,323 INFO L354 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2021-12-06 22:08:37,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 22 [2021-12-06 22:08:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:37,346 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:08:37,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:37,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:37,398 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-06 22:08:37,399 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:37,472 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 31 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 46 states and 57 transitions. Complement of second has 6 states. [2021-12-06 22:08:37,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:08:37,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 5 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:37,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-12-06 22:08:37,475 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 8 letters. [2021-12-06 22:08:37,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:37,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 14 letters. Loop has 8 letters. [2021-12-06 22:08:37,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:37,476 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 6 letters. Loop has 16 letters. [2021-12-06 22:08:37,476 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:37,477 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 46 states and 57 transitions. [2021-12-06 22:08:37,478 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-06 22:08:37,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 46 states to 34 states and 42 transitions. [2021-12-06 22:08:37,478 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-12-06 22:08:37,479 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-06 22:08:37,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 42 transitions. [2021-12-06 22:08:37,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:37,479 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-12-06 22:08:37,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 42 transitions. [2021-12-06 22:08:37,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2021-12-06 22:08:37,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.2352941176470589) internal successors, (42), 33 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:37,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2021-12-06 22:08:37,481 INFO L704 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-12-06 22:08:37,481 INFO L587 BuchiCegarLoop]: Abstraction has 34 states and 42 transitions. [2021-12-06 22:08:37,481 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 22:08:37,481 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 42 transitions. [2021-12-06 22:08:37,482 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-06 22:08:37,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:37,482 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:37,482 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:37,482 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:37,483 INFO L791 eck$LassoCheckResult]: Stem: 364#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 347#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 345#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 346#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 366#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 365#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 348#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 350#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 341#L511-6 [2021-12-06 22:08:37,483 INFO L793 eck$LassoCheckResult]: Loop: 341#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 342#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 369#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 360#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 341#L511-6 [2021-12-06 22:08:37,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:37,483 INFO L85 PathProgramCache]: Analyzing trace with hash 179564655, now seen corresponding path program 1 times [2021-12-06 22:08:37,483 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:37,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1260460469] [2021-12-06 22:08:37,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:37,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:37,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:37,500 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:37,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:37,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:37,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:37,513 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 1 times [2021-12-06 22:08:37,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:37,513 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211851529] [2021-12-06 22:08:37,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:37,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:37,517 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:37,521 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:37,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:37,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1251527276, now seen corresponding path program 1 times [2021-12-06 22:08:37,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:37,522 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287947311] [2021-12-06 22:08:37,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:37,522 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:37,538 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:37,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:37,554 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:37,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 22:08:38,578 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:38,578 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:38,578 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:38,578 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:38,578 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:08:38,578 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:38,578 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:38,578 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:38,578 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration4_Lasso [2021-12-06 22:08:38,578 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:38,578 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:38,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,913 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,915 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,920 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,924 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:38,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:39,287 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:39,287 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:08:39,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:39,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:39,288 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:39,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 22:08:39,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:39,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:39,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:39,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:39,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:39,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:39,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:39,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:39,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:39,316 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:39,316 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:39,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:39,317 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:39,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 22:08:39,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:39,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:39,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:39,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:39,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:39,325 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:39,325 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:39,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:39,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 22:08:39,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:39,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:39,347 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:39,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 22:08:39,348 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 [2021-12-06 22:08:39,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:39,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:39,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:39,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:39,357 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:39,357 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:39,359 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:39,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 22:08:39,377 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:39,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:39,378 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:39,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 22:08:39,380 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:39,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:39,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:39,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:39,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:39,388 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:39,388 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:39,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:39,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 22:08:39,411 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:39,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:39,412 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:39,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 22:08:39,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:39,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:39,421 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:39,421 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:39,421 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:39,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:39,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:39,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:39,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:39,443 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:39,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:39,444 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:39,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 22:08:39,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:39,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:39,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:39,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:39,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:39,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:39,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:39,474 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:08:39,527 INFO L443 ModelExtractionUtils]: Simplification made 24 calls to the SMT solver. [2021-12-06 22:08:39,527 INFO L444 ModelExtractionUtils]: 35 out of 58 variables were initially zero. Simplification set additionally 20 variables to zero. [2021-12-06 22:08:39,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:39,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:39,528 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:39,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 22:08:39,529 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:08:39,537 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:08:39,538 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:08:39,538 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strspn_~a~0#1.base)_2, ULTIMATE.start_strspn_~a~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_strspn_~a~0#1.base)_2 - 1*ULTIMATE.start_strspn_~a~0#1.offset Supporting invariants [] [2021-12-06 22:08:39,556 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2021-12-06 22:08:39,619 INFO L297 tatePredicateManager]: 22 out of 22 supporting invariants were superfluous and have been removed [2021-12-06 22:08:39,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:39,641 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:08:39,642 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:39,653 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 22:08:39,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:39,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:39,668 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 [2021-12-06 22:08:39,668 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:39,695 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 42 transitions. cyclomatic complexity: 11. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 100 states and 123 transitions. Complement of second has 5 states. [2021-12-06 22:08:39,696 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 [2021-12-06 22:08:39,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:39,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 45 transitions. [2021-12-06 22:08:39,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 8 letters. Loop has 4 letters. [2021-12-06 22:08:39,697 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:39,697 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 12 letters. Loop has 4 letters. [2021-12-06 22:08:39,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:39,698 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 45 transitions. Stem has 8 letters. Loop has 8 letters. [2021-12-06 22:08:39,698 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:39,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 123 transitions. [2021-12-06 22:08:39,701 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 28 [2021-12-06 22:08:39,702 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 79 states and 99 transitions. [2021-12-06 22:08:39,702 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 53 [2021-12-06 22:08:39,702 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 54 [2021-12-06 22:08:39,702 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 99 transitions. [2021-12-06 22:08:39,703 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:39,703 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 99 transitions. [2021-12-06 22:08:39,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 99 transitions. [2021-12-06 22:08:39,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 49. [2021-12-06 22:08:39,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 48 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:39,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2021-12-06 22:08:39,708 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-12-06 22:08:39,708 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 65 transitions. [2021-12-06 22:08:39,708 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 22:08:39,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 65 transitions. [2021-12-06 22:08:39,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-06 22:08:39,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:39,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:39,710 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:39,710 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:08:39,710 INFO L791 eck$LassoCheckResult]: Stem: 647#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 627#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 625#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 626#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 649#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 648#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 628#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 630#L510-1 assume !(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1; 640#L510-5 strspn_#res#1 := strspn_~l~0#1; 645#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 646#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 618#L523-4 [2021-12-06 22:08:39,710 INFO L793 eck$LassoCheckResult]: Loop: 618#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 619#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 637#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 634#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 635#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 636#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 618#L523-4 [2021-12-06 22:08:39,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:39,711 INFO L85 PathProgramCache]: Analyzing trace with hash -2118613646, now seen corresponding path program 1 times [2021-12-06 22:08:39,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:39,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810485142] [2021-12-06 22:08:39,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:39,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:39,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:39,808 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:39,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810485142] [2021-12-06 22:08:39,808 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810485142] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:39,808 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:39,808 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-06 22:08:39,808 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430719780] [2021-12-06 22:08:39,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:39,808 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:08:39,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:39,809 INFO L85 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 1 times [2021-12-06 22:08:39,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:39,809 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755811099] [2021-12-06 22:08:39,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:39,809 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:39,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:39,813 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:39,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:39,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:39,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 22:08:39,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-12-06 22:08:39,866 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. cyclomatic complexity: 21 Second operand has 9 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:39,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:39,957 INFO L93 Difference]: Finished difference Result 58 states and 73 transitions. [2021-12-06 22:08:39,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-06 22:08:39,958 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 73 transitions. [2021-12-06 22:08:39,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-06 22:08:39,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 55 states and 70 transitions. [2021-12-06 22:08:39,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-12-06 22:08:39,960 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-12-06 22:08:39,960 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 70 transitions. [2021-12-06 22:08:39,960 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:39,960 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 70 transitions. [2021-12-06 22:08:39,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 70 transitions. [2021-12-06 22:08:39,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2021-12-06 22:08:39,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 48 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:39,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 64 transitions. [2021-12-06 22:08:39,964 INFO L704 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-12-06 22:08:39,965 INFO L587 BuchiCegarLoop]: Abstraction has 49 states and 64 transitions. [2021-12-06 22:08:39,965 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 22:08:39,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 64 transitions. [2021-12-06 22:08:39,965 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-06 22:08:39,965 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:39,965 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:39,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:39,966 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:39,966 INFO L791 eck$LassoCheckResult]: Stem: 779#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 758#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 756#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 757#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 781#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 780#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 759#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 760#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 776#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 795#L511-1 assume !strspn_#t~short7#1; 785#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 783#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 772#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 769#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 762#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 764#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 774#L511-6 [2021-12-06 22:08:39,966 INFO L793 eck$LassoCheckResult]: Loop: 774#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 786#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 787#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 773#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 774#L511-6 [2021-12-06 22:08:39,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:39,967 INFO L85 PathProgramCache]: Analyzing trace with hash 60739587, now seen corresponding path program 1 times [2021-12-06 22:08:39,967 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:39,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353634377] [2021-12-06 22:08:39,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:39,967 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:39,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:39,995 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:39,996 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353634377] [2021-12-06 22:08:39,996 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353634377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:39,996 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:39,996 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-06 22:08:39,996 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644171934] [2021-12-06 22:08:39,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:39,996 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:08:39,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:39,997 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 2 times [2021-12-06 22:08:39,997 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:39,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599379564] [2021-12-06 22:08:39,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:39,997 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:40,002 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:40,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:40,007 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:40,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:40,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-06 22:08:40,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-12-06 22:08:40,067 INFO L87 Difference]: Start difference. First operand 49 states and 64 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:40,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:40,091 INFO L93 Difference]: Finished difference Result 74 states and 91 transitions. [2021-12-06 22:08:40,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 22:08:40,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 74 states and 91 transitions. [2021-12-06 22:08:40,093 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 22 [2021-12-06 22:08:40,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 74 states to 71 states and 87 transitions. [2021-12-06 22:08:40,094 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-12-06 22:08:40,094 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-12-06 22:08:40,094 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 87 transitions. [2021-12-06 22:08:40,094 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:40,095 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 87 transitions. [2021-12-06 22:08:40,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 87 transitions. [2021-12-06 22:08:40,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 50. [2021-12-06 22:08:40,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.28) internal successors, (64), 49 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:40,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2021-12-06 22:08:40,099 INFO L704 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-12-06 22:08:40,099 INFO L587 BuchiCegarLoop]: Abstraction has 50 states and 64 transitions. [2021-12-06 22:08:40,099 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 22:08:40,099 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 64 transitions. [2021-12-06 22:08:40,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 12 [2021-12-06 22:08:40,100 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:40,100 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:40,100 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:40,100 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:40,100 INFO L791 eck$LassoCheckResult]: Stem: 910#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 890#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 888#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 889#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 912#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 911#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 891#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 892#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 907#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 928#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 920#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 914#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 904#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 901#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 894#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 896#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 884#L511-6 [2021-12-06 22:08:40,101 INFO L793 eck$LassoCheckResult]: Loop: 884#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 885#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 918#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 905#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 884#L511-6 [2021-12-06 22:08:40,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:40,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1714267775, now seen corresponding path program 2 times [2021-12-06 22:08:40,101 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:40,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232767771] [2021-12-06 22:08:40,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:40,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:40,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:40,122 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:40,135 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-12-06 22:08:40,141 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:40,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:40,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1911846, now seen corresponding path program 3 times [2021-12-06 22:08:40,142 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:40,142 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440750359] [2021-12-06 22:08:40,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:40,142 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:40,147 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:40,152 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:40,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:40,152 INFO L85 PathProgramCache]: Analyzing trace with hash 1311163814, now seen corresponding path program 1 times [2021-12-06 22:08:40,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:40,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135841409] [2021-12-06 22:08:40,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:40,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:40,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:40,169 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:40,188 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:41,703 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:41,703 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:41,703 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:41,703 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:41,703 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:08:41,703 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:41,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:41,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:41,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration7_Lasso [2021-12-06 22:08:41,703 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:41,703 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:41,707 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:41,708 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:41,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:41,711 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:41,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:41,717 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:41,720 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,143 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,144 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,151 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,160 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,162 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,163 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:42,572 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:42,572 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:08:42,572 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,572 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 22:08:42,573 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,580 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:42,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,581 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:42,581 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:42,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 22:08:42,599 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,600 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 22:08:42,601 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 [2021-12-06 22:08:42,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,608 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:42,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,609 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:42,609 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:42,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:42,627 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,628 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 22:08:42,629 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,637 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:42,637 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:42,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 22:08:42,658 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,658 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 22:08:42,660 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 [2021-12-06 22:08:42,667 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,667 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:42,667 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,667 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,667 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,668 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:42,668 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:42,669 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 22:08:42,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,688 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 22:08:42,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:42,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:42,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:42,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 22:08:42,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,716 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 22:08:42,717 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 [2021-12-06 22:08:42,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:42,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:42,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:42,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,743 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-12-06 22:08:42,743 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,744 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 22:08:42,745 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,756 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:42,756 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:42,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 22:08:42,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,778 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 22:08:42,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,788 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:42,788 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:42,790 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 22:08:42,808 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,809 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 22:08:42,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,816 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,817 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:42,817 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:42,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 22:08:42,838 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,838 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 22:08:42,840 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:42,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:42,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 22:08:42,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,868 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 22:08:42,870 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,877 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2021-12-06 22:08:42,877 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-06 22:08:42,877 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,893 INFO L401 nArgumentSynthesizer]: We have 72 Motzkin's Theorem applications. [2021-12-06 22:08:42,893 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-06 22:08:42,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-12-06 22:08:42,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,962 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 22:08:42,964 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:42,971 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:42,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:42,971 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:42,971 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:42,973 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:42,973 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:42,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:42,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 22:08:42,993 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:42,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:42,994 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:42,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 22:08:42,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:43,003 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:43,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:43,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:43,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:43,005 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:43,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:43,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:43,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 22:08:43,026 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:43,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:43,027 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:43,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 22:08:43,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:43,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:43,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:43,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:43,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:43,035 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:43,035 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:43,036 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:43,036 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:43,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:43,054 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:43,055 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:43,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 22:08:43,057 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 [2021-12-06 22:08:43,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:43,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:43,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:43,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:43,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:43,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:43,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:43,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:43,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:43,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:43,088 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:43,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 22:08:43,089 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 [2021-12-06 22:08:43,096 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:43,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:43,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:43,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:43,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:43,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:43,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:43,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 22:08:43,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:43,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:43,132 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:43,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 22:08:43,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:43,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:43,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:43,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:43,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:43,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:43,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:43,144 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:43,161 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 22:08:43,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:43,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:43,162 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:43,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 22:08:43,164 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 [2021-12-06 22:08:43,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:43,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:43,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:43,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:43,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:43,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:43,193 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:08:43,236 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-12-06 22:08:43,237 INFO L444 ModelExtractionUtils]: 33 out of 61 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-12-06 22:08:43,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:43,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:43,238 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:43,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 22:08:43,239 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:08:43,247 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:08:43,247 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:08:43,247 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc27#1.base)_3, ULTIMATE.start_strspn_~a~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc27#1.base)_3 - 1*ULTIMATE.start_strspn_~a~0#1.offset Supporting invariants [] [2021-12-06 22:08:43,265 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 22:08:43,376 INFO L297 tatePredicateManager]: 29 out of 30 supporting invariants were superfluous and have been removed [2021-12-06 22:08:43,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:43,406 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 22:08:43,406 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:43,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:43,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:08:43,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:43,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:43,468 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-06 22:08:43,468 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:43,505 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 123 transitions. Complement of second has 7 states. [2021-12-06 22:08:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:08:43,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:43,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-12-06 22:08:43,506 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 22:08:43,506 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:43,506 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:08:43,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:43,543 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 22:08:43,544 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:43,554 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 22:08:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:43,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:08:43,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:43,606 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-06 22:08:43,606 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:43,638 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 123 transitions. Complement of second has 7 states. [2021-12-06 22:08:43,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:08:43,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:43,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2021-12-06 22:08:43,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 32 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 22:08:43,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:43,639 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:08:43,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:43,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:43,669 INFO L263 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 22:08:43,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:43,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:08:43,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:43,728 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-06 22:08:43,728 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19 Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:43,763 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 50 states and 64 transitions. cyclomatic complexity: 19. Second operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 87 states and 114 transitions. Complement of second has 6 states. [2021-12-06 22:08:43,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:08:43,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.8) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:43,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 56 transitions. [2021-12-06 22:08:43,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 22:08:43,764 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:43,764 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 20 letters. Loop has 4 letters. [2021-12-06 22:08:43,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:43,765 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 56 transitions. Stem has 16 letters. Loop has 8 letters. [2021-12-06 22:08:43,765 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:43,766 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 114 transitions. [2021-12-06 22:08:43,767 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 22:08:43,768 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 55 states and 71 transitions. [2021-12-06 22:08:43,768 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2021-12-06 22:08:43,768 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-06 22:08:43,768 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 71 transitions. [2021-12-06 22:08:43,768 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:43,769 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 71 transitions. [2021-12-06 22:08:43,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 71 transitions. [2021-12-06 22:08:43,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 40. [2021-12-06 22:08:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.25) internal successors, (50), 39 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 50 transitions. [2021-12-06 22:08:43,771 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-12-06 22:08:43,771 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 50 transitions. [2021-12-06 22:08:43,771 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 22:08:43,771 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 50 transitions. [2021-12-06 22:08:43,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2021-12-06 22:08:43,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:43,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:43,772 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:43,772 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2021-12-06 22:08:43,772 INFO L791 eck$LassoCheckResult]: Stem: 1604#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1587#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 1585#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 1586#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 1606#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 1605#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 1588#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 1590#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 1579#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 1581#L511-1 assume !strspn_#t~short7#1; 1609#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 1607#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 1598#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 1599#L510-5 strspn_#res#1 := strspn_~l~0#1; 1602#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 1603#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 1577#L523-4 [2021-12-06 22:08:43,773 INFO L793 eck$LassoCheckResult]: Loop: 1577#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 1578#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 1596#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 1593#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 1594#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 1595#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 1577#L523-4 [2021-12-06 22:08:43,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:43,773 INFO L85 PathProgramCache]: Analyzing trace with hash 60685095, now seen corresponding path program 1 times [2021-12-06 22:08:43,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:43,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461007457] [2021-12-06 22:08:43,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:43,773 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:43,797 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:43,816 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:43,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:43,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1361307093, now seen corresponding path program 2 times [2021-12-06 22:08:43,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:43,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651401387] [2021-12-06 22:08:43,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:43,817 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:43,820 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:43,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:43,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:43,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1593745617, now seen corresponding path program 1 times [2021-12-06 22:08:43,823 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:43,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994558048] [2021-12-06 22:08:43,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:43,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:43,841 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:43,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:43,858 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:45,320 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:45,321 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:45,321 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:45,321 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:45,321 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:08:45,321 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:45,321 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:45,321 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:45,321 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration8_Lasso [2021-12-06 22:08:45,321 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:45,321 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:45,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,327 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,884 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,885 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,886 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,888 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,889 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,890 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,891 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,893 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,894 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,895 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,897 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,898 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,899 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,901 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,903 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,907 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:45,908 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:46,451 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:46,451 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:08:46,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,452 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 22:08:46,454 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,460 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,462 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 22:08:46,479 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,480 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 22:08:46,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,488 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,488 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,488 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:46,507 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,508 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 22:08:46,509 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 [2021-12-06 22:08:46,516 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,516 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 22:08:46,541 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,542 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 22:08:46,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:46,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,571 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 22:08:46,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,580 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:46,580 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:46,582 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 22:08:46,610 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,611 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 22:08:46,613 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,620 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,620 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,620 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,620 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,621 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 22:08:46,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,640 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 22:08:46,641 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,648 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,648 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,666 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-12-06 22:08:46,666 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,667 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 22:08:46,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,675 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 22:08:46,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,695 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 22:08:46,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,703 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,703 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,704 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,704 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,705 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:46,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,724 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 22:08:46,725 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 [2021-12-06 22:08:46,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,732 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,733 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:46,733 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:46,736 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-06 22:08:46,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,754 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 22:08:46,756 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,763 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-12-06 22:08:46,763 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 22:08:46,763 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,765 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2021-12-06 22:08:46,765 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2021-12-06 22:08:46,774 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,792 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-12-06 22:08:46,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,793 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 22:08:46,794 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 [2021-12-06 22:08:46,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,802 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:46,802 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:46,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:46,822 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,823 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 22:08:46,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,833 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:46,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:46,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,853 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 22:08:46,853 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,854 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 22:08:46,856 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,863 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:46,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,863 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,863 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:46,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:46,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:46,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,883 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 22:08:46,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,892 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:46,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:46,895 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:46,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 22:08:46,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,913 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 22:08:46,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:46,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:46,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:46,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:46,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:46,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:46,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:46,960 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:08:46,990 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 22:08:46,990 INFO L444 ModelExtractionUtils]: 76 out of 91 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-06 22:08:46,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:46,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:46,991 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:46,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 22:08:46,992 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:08:47,001 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:08:47,002 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:08:47,002 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~s#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc25#1.base)_4) = -1*ULTIMATE.start_strcspn_~s#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc25#1.base)_4 Supporting invariants [] [2021-12-06 22:08:47,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-12-06 22:08:47,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-12-06 22:08:47,163 INFO L297 tatePredicateManager]: 36 out of 38 supporting invariants were superfluous and have been removed [2021-12-06 22:08:47,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:47,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 14 conjunts are in the unsatisfiable core [2021-12-06 22:08:47,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:47,241 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 22:08:47,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:47,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:47,281 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2021-12-06 22:08:47,282 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 13 Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2021-12-06 22:08:47,314 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 50 transitions. cyclomatic complexity: 13. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 60 transitions. Complement of second has 6 states. [2021-12-06 22:08:47,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 3 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:08:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 5 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) [2021-12-06 22:08:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 31 transitions. [2021-12-06 22:08:47,315 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 16 letters. Loop has 6 letters. [2021-12-06 22:08:47,315 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:47,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 22 letters. Loop has 6 letters. [2021-12-06 22:08:47,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:47,316 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 31 transitions. Stem has 16 letters. Loop has 12 letters. [2021-12-06 22:08:47,316 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:47,316 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2021-12-06 22:08:47,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:47,317 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 46 states and 58 transitions. [2021-12-06 22:08:47,317 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2021-12-06 22:08:47,317 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2021-12-06 22:08:47,317 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 58 transitions. [2021-12-06 22:08:47,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:47,317 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-12-06 22:08:47,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 58 transitions. [2021-12-06 22:08:47,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-12-06 22:08:47,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 45 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:47,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2021-12-06 22:08:47,319 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-12-06 22:08:47,319 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 58 transitions. [2021-12-06 22:08:47,319 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 22:08:47,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 58 transitions. [2021-12-06 22:08:47,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:47,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:47,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:47,320 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:47,320 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:47,320 INFO L791 eck$LassoCheckResult]: Stem: 1948#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1929#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 1927#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 1928#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 1950#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 1949#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 1930#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 1932#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 1921#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 1923#L511-1 assume !strspn_#t~short7#1; 1953#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 1951#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 1942#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 1943#L510-5 strspn_#res#1 := strspn_~l~0#1; 1946#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 1947#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 1917#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 1919#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 1939#L524-4 [2021-12-06 22:08:47,320 INFO L793 eck$LassoCheckResult]: Loop: 1939#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 1935#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 1913#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 1914#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 1939#L524-4 [2021-12-06 22:08:47,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:47,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1811163636, now seen corresponding path program 1 times [2021-12-06 22:08:47,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:47,321 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123965100] [2021-12-06 22:08:47,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:47,321 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:47,333 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:47,347 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:47,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:47,348 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 1 times [2021-12-06 22:08:47,348 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:47,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749938716] [2021-12-06 22:08:47,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:47,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:47,350 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:47,353 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:47,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:47,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1593747347, now seen corresponding path program 1 times [2021-12-06 22:08:47,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:47,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1933793169] [2021-12-06 22:08:47,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:47,354 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:47,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:47,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:47,437 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:47,437 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1933793169] [2021-12-06 22:08:47,437 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1933793169] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:47,437 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:47,437 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-12-06 22:08:47,437 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029359784] [2021-12-06 22:08:47,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:47,475 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:47,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-12-06 22:08:47,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-12-06 22:08:47,476 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 2.2) internal successors, (22), 10 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:47,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:47,608 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-12-06 22:08:47,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-12-06 22:08:47,609 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 97 states and 119 transitions. [2021-12-06 22:08:47,610 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 22:08:47,610 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 97 states to 78 states and 97 transitions. [2021-12-06 22:08:47,610 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-12-06 22:08:47,610 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-12-06 22:08:47,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 97 transitions. [2021-12-06 22:08:47,611 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:47,611 INFO L681 BuchiCegarLoop]: Abstraction has 78 states and 97 transitions. [2021-12-06 22:08:47,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 97 transitions. [2021-12-06 22:08:47,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 46. [2021-12-06 22:08:47,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2391304347826086) internal successors, (57), 45 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 57 transitions. [2021-12-06 22:08:47,613 INFO L704 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-12-06 22:08:47,613 INFO L587 BuchiCegarLoop]: Abstraction has 46 states and 57 transitions. [2021-12-06 22:08:47,613 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 22:08:47,613 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 57 transitions. [2021-12-06 22:08:47,613 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:47,613 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:47,613 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:47,614 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:47,614 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:47,614 INFO L791 eck$LassoCheckResult]: Stem: 2117#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2098#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 2096#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 2097#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 2119#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 2118#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 2099#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 2100#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 2093#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 2095#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 2127#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 2121#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 2113#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 2110#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 2102#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 2103#L510-1 assume !(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1; 2112#L510-5 strspn_#res#1 := strspn_~l~0#1; 2115#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 2116#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 2087#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 2089#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 2108#L524-4 [2021-12-06 22:08:47,614 INFO L793 eck$LassoCheckResult]: Loop: 2108#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 2104#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 2083#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 2084#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 2108#L524-4 [2021-12-06 22:08:47,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:47,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1960799173, now seen corresponding path program 1 times [2021-12-06 22:08:47,615 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:47,615 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295763335] [2021-12-06 22:08:47,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:47,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:47,769 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:47,769 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:47,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295763335] [2021-12-06 22:08:47,769 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295763335] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:08:47,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1710394910] [2021-12-06 22:08:47,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:47,769 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:08:47,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:47,771 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:08:47,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Waiting until timeout for monitored process [2021-12-06 22:08:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:47,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-06 22:08:47,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:47,843 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 22:08:47,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 22:08:47,991 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:08:47,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2021-12-06 22:08:48,003 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:48,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:08:48,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:48,419 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1710394910] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:08:48,419 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:08:48,419 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 9] total 20 [2021-12-06 22:08:48,420 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580968997] [2021-12-06 22:08:48,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:08:48,420 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:08:48,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:48,420 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 2 times [2021-12-06 22:08:48,420 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:48,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019938013] [2021-12-06 22:08:48,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:48,420 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:48,423 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:48,426 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:48,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:48,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-12-06 22:08:48,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-12-06 22:08:48,469 INFO L87 Difference]: Start difference. First operand 46 states and 57 transitions. cyclomatic complexity: 15 Second operand has 20 states, 20 states have (on average 2.05) internal successors, (41), 20 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) [2021-12-06 22:08:49,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:49,049 INFO L93 Difference]: Finished difference Result 118 states and 146 transitions. [2021-12-06 22:08:49,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-12-06 22:08:49,049 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 118 states and 146 transitions. [2021-12-06 22:08:49,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:49,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 118 states to 112 states and 140 transitions. [2021-12-06 22:08:49,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 46 [2021-12-06 22:08:49,053 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 46 [2021-12-06 22:08:49,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 140 transitions. [2021-12-06 22:08:49,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:49,053 INFO L681 BuchiCegarLoop]: Abstraction has 112 states and 140 transitions. [2021-12-06 22:08:49,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 140 transitions. [2021-12-06 22:08:49,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 68. [2021-12-06 22:08:49,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.25) internal successors, (85), 67 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:49,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2021-12-06 22:08:49,058 INFO L704 BuchiCegarLoop]: Abstraction has 68 states and 85 transitions. [2021-12-06 22:08:49,058 INFO L587 BuchiCegarLoop]: Abstraction has 68 states and 85 transitions. [2021-12-06 22:08:49,058 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 22:08:49,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 85 transitions. [2021-12-06 22:08:49,058 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:49,058 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:49,058 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:49,059 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:49,059 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:49,059 INFO L791 eck$LassoCheckResult]: Stem: 2456#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2436#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 2434#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 2435#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 2458#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 2457#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 2437#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 2439#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 2429#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 2430#L511-1 assume !strspn_#t~short7#1; 2468#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 2467#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 2466#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 2464#L511-1 assume !strspn_#t~short7#1; 2462#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 2459#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 2450#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 2451#L510-5 strspn_#res#1 := strspn_~l~0#1; 2454#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 2455#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 2425#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 2427#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 2446#L524-4 [2021-12-06 22:08:49,059 INFO L793 eck$LassoCheckResult]: Loop: 2446#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 2442#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 2421#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 2422#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 2446#L524-4 [2021-12-06 22:08:49,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:49,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1052721677, now seen corresponding path program 1 times [2021-12-06 22:08:49,059 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:49,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283865491] [2021-12-06 22:08:49,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:49,060 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:49,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:49,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:49,080 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283865491] [2021-12-06 22:08:49,080 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283865491] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 22:08:49,080 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 22:08:49,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-06 22:08:49,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097653895] [2021-12-06 22:08:49,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 22:08:49,081 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:08:49,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:49,081 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 3 times [2021-12-06 22:08:49,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:49,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432752814] [2021-12-06 22:08:49,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:49,082 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,085 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,089 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:49,127 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:49,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-06 22:08:49,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-06 22:08:49,128 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. cyclomatic complexity: 23 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) [2021-12-06 22:08:49,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:49,133 INFO L93 Difference]: Finished difference Result 73 states and 86 transitions. [2021-12-06 22:08:49,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-06 22:08:49,133 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 86 transitions. [2021-12-06 22:08:49,134 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:49,134 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 69 states and 82 transitions. [2021-12-06 22:08:49,134 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2021-12-06 22:08:49,134 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2021-12-06 22:08:49,134 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 82 transitions. [2021-12-06 22:08:49,134 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:49,135 INFO L681 BuchiCegarLoop]: Abstraction has 69 states and 82 transitions. [2021-12-06 22:08:49,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 82 transitions. [2021-12-06 22:08:49,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2021-12-06 22:08:49,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 68 states have (on average 1.1911764705882353) internal successors, (81), 67 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:49,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 81 transitions. [2021-12-06 22:08:49,137 INFO L704 BuchiCegarLoop]: Abstraction has 68 states and 81 transitions. [2021-12-06 22:08:49,138 INFO L587 BuchiCegarLoop]: Abstraction has 68 states and 81 transitions. [2021-12-06 22:08:49,138 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-12-06 22:08:49,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states and 81 transitions. [2021-12-06 22:08:49,138 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:49,138 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:49,138 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:49,139 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:49,139 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:49,139 INFO L791 eck$LassoCheckResult]: Stem: 2602#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2583#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 2581#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 2582#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 2604#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 2603#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 2584#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 2586#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 2576#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 2577#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 2613#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 2612#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 2611#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 2609#L511-1 assume !strspn_#t~short7#1; 2607#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 2605#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 2596#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 2597#L510-5 strspn_#res#1 := strspn_~l~0#1; 2600#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 2601#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 2572#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 2574#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 2593#L524-4 [2021-12-06 22:08:49,139 INFO L793 eck$LassoCheckResult]: Loop: 2593#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 2589#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 2568#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 2569#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 2593#L524-4 [2021-12-06 22:08:49,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:49,140 INFO L85 PathProgramCache]: Analyzing trace with hash -465915663, now seen corresponding path program 1 times [2021-12-06 22:08:49,140 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:49,140 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761299999] [2021-12-06 22:08:49,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:49,140 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,155 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,173 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:49,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:49,174 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 4 times [2021-12-06 22:08:49,174 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:49,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347495050] [2021-12-06 22:08:49,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:49,174 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,177 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,179 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:49,180 INFO L85 PathProgramCache]: Analyzing trace with hash -187987976, now seen corresponding path program 1 times [2021-12-06 22:08:49,180 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:49,180 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202745200] [2021-12-06 22:08:49,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:49,180 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,203 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:49,221 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:51,480 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:51,480 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:51,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:51,480 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:51,480 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:08:51,480 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:51,480 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:51,480 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:51,480 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration12_Lasso [2021-12-06 22:08:51,480 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:51,480 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:51,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,486 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,487 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,488 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,489 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,490 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,491 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,492 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,493 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,495 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,498 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,501 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,503 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,505 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:51,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,200 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,203 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,204 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,207 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:52,942 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:52,942 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:08:52,942 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:52,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:52,942 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:52,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 22:08:52,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:52,950 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:52,950 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:52,950 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:52,950 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:52,950 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:52,951 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:52,951 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:52,952 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:52,970 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 22:08:52,970 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:52,970 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:52,970 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:52,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 22:08:52,972 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:52,979 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:52,979 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:52,979 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:52,979 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:52,979 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:52,980 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:52,980 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:52,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:52,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-06 22:08:52,999 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:52,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:52,999 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 22:08:53,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,007 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,008 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,008 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,008 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,027 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2021-12-06 22:08:53,028 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,028 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,028 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 22:08:53,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,040 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,040 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,041 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-06 22:08:53,059 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,060 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-06 22:08:53,061 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-06 22:08:53,087 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,088 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-06 22:08:53,089 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 [2021-12-06 22:08:53,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,096 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,096 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,096 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,096 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,096 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-06 22:08:53,114 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,115 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-06 22:08:53,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,124 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,124 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,124 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,124 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,126 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-06 22:08:53,143 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,144 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-06 22:08:53,145 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,152 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,152 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,153 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-12-06 22:08:53,171 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,171 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-06 22:08:53,173 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 [2021-12-06 22:08:53,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,179 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,180 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,180 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,180 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,180 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,181 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-06 22:08:53,199 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,199 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-06 22:08:53,201 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 [2021-12-06 22:08:53,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,208 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,208 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,208 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,210 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-12-06 22:08:53,227 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,228 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-06 22:08:53,229 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,236 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,236 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,237 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-06 22:08:53,255 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,256 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-06 22:08:53,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,265 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,288 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-12-06 22:08:53,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,289 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-06 22:08:53,290 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 [2021-12-06 22:08:53,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,317 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-06 22:08:53,317 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,318 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-06 22:08:53,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,346 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-06 22:08:53,346 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,347 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-06 22:08:53,348 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 [2021-12-06 22:08:53,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,354 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,355 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,355 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,373 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-12-06 22:08:53,374 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,374 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-06 22:08:53,376 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,385 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-12-06 22:08:53,402 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,403 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-06 22:08:53,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,412 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,413 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,413 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,414 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-06 22:08:53,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,432 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-06 22:08:53,433 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,440 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,459 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:53,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,460 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,461 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-06 22:08:53,461 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 [2021-12-06 22:08:53,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,468 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,468 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,468 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,468 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,468 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,468 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-06 22:08:53,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,488 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-06 22:08:53,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,496 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,497 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-06 22:08:53,515 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,516 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-06 22:08:53,517 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-06 22:08:53,545 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,545 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-06 22:08:53,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:53,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,574 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-06 22:08:53,575 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,582 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,582 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,583 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,584 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,601 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-06 22:08:53,601 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,602 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-06 22:08:53,603 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 [2021-12-06 22:08:53,610 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,610 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,610 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,610 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,611 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,611 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,612 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-12-06 22:08:53,630 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,631 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-06 22:08:53,632 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 [2021-12-06 22:08:53,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-12-06 22:08:53,659 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,660 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-06 22:08:53,661 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,668 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,669 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,670 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,687 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-06 22:08:53,687 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,688 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-06 22:08:53,689 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,698 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-12-06 22:08:53,715 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,716 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-06 22:08:53,717 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 [2021-12-06 22:08:53,724 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,727 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,745 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-12-06 22:08:53,745 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,746 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-06 22:08:53,748 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 [2021-12-06 22:08:53,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:53,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:53,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:53,757 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-12-06 22:08:53,774 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,775 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-06 22:08:53,777 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,784 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,784 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,784 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-12-06 22:08:53,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,807 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-06 22:08:53,809 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,815 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,816 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,816 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,816 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,819 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2021-12-06 22:08:53,836 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,837 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-06 22:08:53,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,847 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-12-06 22:08:53,868 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,868 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-06 22:08:53,869 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,876 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,877 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,877 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,897 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2021-12-06 22:08:53,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,898 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-06 22:08:53,899 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,912 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,912 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-06 22:08:53,946 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,946 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-12-06 22:08:53,947 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:53,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2021-12-06 22:08:53,975 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:53,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:53,976 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:53,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-06 22:08:53,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:53,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:53,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:53,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:53,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:53,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:53,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:53,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:54,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-12-06 22:08:54,007 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:54,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:54,008 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:54,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-06 22:08:54,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:54,016 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:54,016 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:54,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:54,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:54,016 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:54,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:54,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:54,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:54,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-12-06 22:08:54,037 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:54,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:54,038 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:54,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-06 22:08:54,039 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:54,046 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:54,046 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:54,046 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:54,046 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:54,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:54,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:54,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:54,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-12-06 22:08:54,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:54,069 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:54,070 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:54,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-06 22:08:54,071 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:54,078 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:54,078 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:54,078 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:54,078 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:54,079 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:54,079 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:54,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:54,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-12-06 22:08:54,099 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:54,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:54,099 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:54,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-12-06 22:08:54,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:54,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:54,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:54,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:54,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:54,109 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:54,109 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:54,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:54,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-12-06 22:08:54,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:54,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:54,131 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:54,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-12-06 22:08:54,132 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:54,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:54,139 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:54,139 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:54,139 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:54,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:54,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:54,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:54,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-12-06 22:08:54,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:54,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:54,161 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:54,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-12-06 22:08:54,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:54,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:54,171 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:54,171 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:54,171 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:54,179 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:08:54,179 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:08:54,205 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:08:54,291 INFO L443 ModelExtractionUtils]: Simplification made 35 calls to the SMT solver. [2021-12-06 22:08:54,291 INFO L444 ModelExtractionUtils]: 30 out of 85 variables were initially zero. Simplification set additionally 49 variables to zero. [2021-12-06 22:08:54,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:54,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:54,293 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:54,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-12-06 22:08:54,293 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:08:54,303 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 22:08:54,303 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:08:54,303 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_strcspn_~i~0#1, ULTIMATE.start_main_~delim_len~0#1) = -1*ULTIMATE.start_strcspn_~i~0#1 + 1*ULTIMATE.start_main_~delim_len~0#1 Supporting invariants [1*ULTIMATE.start_strcspn_~reject#1.offset + 1*ULTIMATE.start_main_~delim_len~0#1 - 1*v_rep(select #length ULTIMATE.start_strspn_~a~0#1.base)_5 >= 0] [2021-12-06 22:08:54,322 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-12-06 22:08:54,544 INFO L297 tatePredicateManager]: 52 out of 54 supporting invariants were superfluous and have been removed [2021-12-06 22:08:54,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:54,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:54,582 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 34 conjunts are in the unsatisfiable core [2021-12-06 22:08:54,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:54,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-12-06 22:08:54,599 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 11 [2021-12-06 22:08:54,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2021-12-06 22:08:54,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-12-06 22:08:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:54,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 7 conjunts are in the unsatisfiable core [2021-12-06 22:08:54,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:54,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:54,751 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-12-06 22:08:54,751 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 68 states and 81 transitions. cyclomatic complexity: 19 Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:54,820 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 68 states and 81 transitions. cyclomatic complexity: 19. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 96 states and 112 transitions. Complement of second has 9 states. [2021-12-06 22:08:54,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 5 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 22:08:54,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:54,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 34 transitions. [2021-12-06 22:08:54,821 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 22 letters. Loop has 4 letters. [2021-12-06 22:08:54,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:54,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 26 letters. Loop has 4 letters. [2021-12-06 22:08:54,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:54,822 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 34 transitions. Stem has 22 letters. Loop has 8 letters. [2021-12-06 22:08:54,822 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:08:54,822 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 112 transitions. [2021-12-06 22:08:54,823 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:54,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 80 states and 94 transitions. [2021-12-06 22:08:54,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-12-06 22:08:54,823 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2021-12-06 22:08:54,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 94 transitions. [2021-12-06 22:08:54,823 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:54,823 INFO L681 BuchiCegarLoop]: Abstraction has 80 states and 94 transitions. [2021-12-06 22:08:54,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 94 transitions. [2021-12-06 22:08:54,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 74. [2021-12-06 22:08:54,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 74 states have (on average 1.1756756756756757) internal successors, (87), 73 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:54,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 87 transitions. [2021-12-06 22:08:54,826 INFO L704 BuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2021-12-06 22:08:54,826 INFO L587 BuchiCegarLoop]: Abstraction has 74 states and 87 transitions. [2021-12-06 22:08:54,826 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-12-06 22:08:54,826 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states and 87 transitions. [2021-12-06 22:08:54,826 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:54,826 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:54,826 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:54,827 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:54,827 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:54,827 INFO L791 eck$LassoCheckResult]: Stem: 3102#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3082#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 3080#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 3081#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 3104#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 3103#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 3083#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 3085#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 3075#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 3076#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 3116#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 3113#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 3111#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 3110#L511-1 assume !strspn_#t~short7#1; 3107#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 3105#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 3095#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 3096#L510-5 strspn_#res#1 := strspn_~l~0#1; 3100#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 3101#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 3070#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 3071#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 3139#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 3089#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 3090#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 3091#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 3072#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 3074#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 3092#L524-4 [2021-12-06 22:08:54,827 INFO L793 eck$LassoCheckResult]: Loop: 3092#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 3088#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 3066#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 3067#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 3092#L524-4 [2021-12-06 22:08:54,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:54,827 INFO L85 PathProgramCache]: Analyzing trace with hash -269478821, now seen corresponding path program 1 times [2021-12-06 22:08:54,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:54,827 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611908453] [2021-12-06 22:08:54,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:54,827 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:08:54,915 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:08:54,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611908453] [2021-12-06 22:08:54,915 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611908453] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:08:54,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [51668041] [2021-12-06 22:08:54,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:54,915 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:08:54,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:54,916 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:08:54,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Waiting until timeout for monitored process [2021-12-06 22:08:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:08:54,968 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 46 conjunts are in the unsatisfiable core [2021-12-06 22:08:54,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:08:54,976 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2021-12-06 22:08:55,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-12-06 22:08:55,055 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:08:55,055 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:08:55,105 INFO L354 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2021-12-06 22:08:55,106 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2021-12-06 22:08:55,132 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-12-06 22:08:55,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [51668041] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:08:55,132 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:08:55,132 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 18 [2021-12-06 22:08:55,132 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707866582] [2021-12-06 22:08:55,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:08:55,133 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:08:55,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:55,133 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 5 times [2021-12-06 22:08:55,133 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:55,133 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848432053] [2021-12-06 22:08:55,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:55,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:55,136 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:55,138 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:55,176 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:08:55,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-12-06 22:08:55,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2021-12-06 22:08:55,177 INFO L87 Difference]: Start difference. First operand 74 states and 87 transitions. cyclomatic complexity: 20 Second operand has 18 states, 18 states have (on average 2.888888888888889) internal successors, (52), 18 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:55,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:08:55,438 INFO L93 Difference]: Finished difference Result 164 states and 187 transitions. [2021-12-06 22:08:55,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-12-06 22:08:55,439 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 164 states and 187 transitions. [2021-12-06 22:08:55,440 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 22:08:55,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 164 states to 162 states and 185 transitions. [2021-12-06 22:08:55,441 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 45 [2021-12-06 22:08:55,441 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2021-12-06 22:08:55,441 INFO L73 IsDeterministic]: Start isDeterministic. Operand 162 states and 185 transitions. [2021-12-06 22:08:55,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:08:55,441 INFO L681 BuchiCegarLoop]: Abstraction has 162 states and 185 transitions. [2021-12-06 22:08:55,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states and 185 transitions. [2021-12-06 22:08:55,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 77. [2021-12-06 22:08:55,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 77 states have (on average 1.1688311688311688) internal successors, (90), 76 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:08:55,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 90 transitions. [2021-12-06 22:08:55,443 INFO L704 BuchiCegarLoop]: Abstraction has 77 states and 90 transitions. [2021-12-06 22:08:55,443 INFO L587 BuchiCegarLoop]: Abstraction has 77 states and 90 transitions. [2021-12-06 22:08:55,443 INFO L425 BuchiCegarLoop]: ======== Iteration 14============ [2021-12-06 22:08:55,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 77 states and 90 transitions. [2021-12-06 22:08:55,444 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:08:55,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:08:55,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:08:55,444 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:08:55,444 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:08:55,445 INFO L791 eck$LassoCheckResult]: Stem: 3545#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3527#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 3525#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 3526#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 3548#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 3546#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 3528#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 3530#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 3520#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 3521#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 3558#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 3556#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 3555#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 3554#L511-1 assume !strspn_#t~short7#1; 3551#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 3549#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 3539#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 3540#L510-5 strspn_#res#1 := strspn_~l~0#1; 3543#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 3544#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 3515#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 3516#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 3537#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 3534#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 3513#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 3514#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 3553#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 3559#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 3547#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 3535#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 3517#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 3519#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 3536#L524-4 [2021-12-06 22:08:55,445 INFO L793 eck$LassoCheckResult]: Loop: 3536#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 3533#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 3511#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 3512#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 3536#L524-4 [2021-12-06 22:08:55,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:55,445 INFO L85 PathProgramCache]: Analyzing trace with hash 579815970, now seen corresponding path program 1 times [2021-12-06 22:08:55,445 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:55,445 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559136171] [2021-12-06 22:08:55,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:55,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:55,456 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:55,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:55,470 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:55,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:55,470 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 6 times [2021-12-06 22:08:55,470 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:55,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113037806] [2021-12-06 22:08:55,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:55,470 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:55,473 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:55,475 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:55,475 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:08:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash 1474175145, now seen corresponding path program 2 times [2021-12-06 22:08:55,475 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:08:55,475 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235538598] [2021-12-06 22:08:55,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:08:55,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:08:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:55,496 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:08:55,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:08:55,517 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:08:58,230 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:08:58,230 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:08:58,230 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:08:58,230 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:08:58,230 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:08:58,230 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:58,230 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:08:58,230 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:08:58,230 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration14_Lasso [2021-12-06 22:08:58,230 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:08:58,230 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:08:58,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,929 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,931 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,934 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,937 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,940 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,941 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,943 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,944 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,946 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,947 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,949 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,950 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,951 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,952 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,953 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:58,954 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:08:59,793 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:08:59,793 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:08:59,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:59,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:59,794 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:59,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-12-06 22:08:59,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:59,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:59,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:59,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:59,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:59,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:59,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:59,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:59,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:59,821 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Ended with exit code 0 [2021-12-06 22:08:59,821 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:59,821 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:59,821 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:59,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-12-06 22:08:59,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:59,829 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:59,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:59,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:59,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:59,830 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:59,830 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:59,830 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:59,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:59,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-12-06 22:08:59,849 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:59,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:59,850 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:59,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-12-06 22:08:59,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:59,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:59,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:59,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:59,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:59,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:59,859 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:59,859 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:59,860 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:59,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2021-12-06 22:08:59,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:59,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:59,878 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:59,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-12-06 22:08:59,879 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:59,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:59,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:59,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:59,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:59,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:59,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:59,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:59,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:59,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-12-06 22:08:59,906 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:59,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:59,906 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:59,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-12-06 22:08:59,908 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:59,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:59,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:59,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:59,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:59,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:59,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:59,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:59,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:59,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-12-06 22:08:59,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:59,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:59,936 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:59,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-12-06 22:08:59,937 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 [2021-12-06 22:08:59,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:59,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:59,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:59,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:59,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:59,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:59,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:59,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:59,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2021-12-06 22:08:59,963 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:59,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:59,964 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:59,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-12-06 22:08:59,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:08:59,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:08:59,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:08:59,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:08:59,972 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:08:59,972 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:08:59,972 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:08:59,972 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:08:59,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:08:59,991 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Ended with exit code 0 [2021-12-06 22:08:59,991 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:08:59,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:08:59,992 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:08:59,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-12-06 22:08:59,993 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 [2021-12-06 22:09:00,000 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:00,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,000 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:00,000 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:00,001 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,019 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-12-06 22:09:00,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,019 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,020 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-12-06 22:09:00,021 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:00,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:00,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:00,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,047 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-12-06 22:09:00,047 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,048 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-12-06 22:09:00,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,059 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,059 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:00,059 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,059 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,059 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:00,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:00,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,078 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-12-06 22:09:00,078 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,079 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-12-06 22:09:00,080 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,087 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,087 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-12-06 22:09:00,087 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-06 22:09:00,087 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,114 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-12-06 22:09:00,114 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-06 22:09:00,222 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,240 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-12-06 22:09:00,240 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,241 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,242 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-12-06 22:09:00,242 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,251 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:00,272 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,273 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-12-06 22:09:00,274 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,281 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,283 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,283 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-12-06 22:09:00,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,313 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-12-06 22:09:00,315 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,321 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:00,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:00,322 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:00,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-12-06 22:09:00,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,341 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-12-06 22:09:00,343 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,351 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,351 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:00,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,374 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-12-06 22:09:00,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,382 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,382 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,386 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-12-06 22:09:00,403 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,404 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-12-06 22:09:00,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,412 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,412 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,416 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-12-06 22:09:00,433 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,434 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-12-06 22:09:00,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-12-06 22:09:00,464 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,464 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-12-06 22:09:00,466 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,473 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,473 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:00,494 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,494 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-12-06 22:09:00,495 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,502 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,502 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,502 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,502 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,503 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,503 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,523 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Ended with exit code 0 [2021-12-06 22:09:00,523 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,523 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,524 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-12-06 22:09:00,525 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 [2021-12-06 22:09:00,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:00,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,532 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:00,532 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:00,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Ended with exit code 0 [2021-12-06 22:09:00,551 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,552 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-12-06 22:09:00,553 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 [2021-12-06 22:09:00,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,565 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:00,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Ended with exit code 0 [2021-12-06 22:09:00,598 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,599 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-12-06 22:09:00,600 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:00,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:00,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:00,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:00,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:00,615 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:00,615 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:00,639 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:09:00,673 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-12-06 22:09:00,673 INFO L444 ModelExtractionUtils]: 73 out of 88 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-06 22:09:00,673 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:00,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:00,674 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:00,674 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-12-06 22:09:00,675 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:09:00,682 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:09:00,683 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:09:00,683 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strcspn_~reject#1.base)_3, ULTIMATE.start_strcspn_~i~0#1) = 3*v_rep(select #length ULTIMATE.start_strcspn_~reject#1.base)_3 - 2*ULTIMATE.start_strcspn_~i~0#1 Supporting invariants [] [2021-12-06 22:09:00,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:00,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:00,888 INFO L297 tatePredicateManager]: 48 out of 49 supporting invariants were superfluous and have been removed [2021-12-06 22:09:00,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:00,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 31 conjunts are in the unsatisfiable core [2021-12-06 22:09:00,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:01,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:01,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:09:01,139 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:01,187 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:01,188 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 3 loop predicates [2021-12-06 22:09:01,188 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 90 transitions. cyclomatic complexity: 20 Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:01,286 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 77 states and 90 transitions. cyclomatic complexity: 20. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 92 states and 107 transitions. Complement of second has 9 states. [2021-12-06 22:09:01,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 22:09:01,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:01,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-12-06 22:09:01,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 32 letters. Loop has 4 letters. [2021-12-06 22:09:01,287 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:01,287 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:09:01,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:01,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 33 conjunts are in the unsatisfiable core [2021-12-06 22:09:01,326 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:01,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:09:01,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:01,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:01,547 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 3 loop predicates [2021-12-06 22:09:01,547 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 90 transitions. cyclomatic complexity: 20 Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:01,646 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 77 states and 90 transitions. cyclomatic complexity: 20. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 92 states and 107 transitions. Complement of second has 9 states. [2021-12-06 22:09:01,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 22:09:01,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:01,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-12-06 22:09:01,647 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 32 letters. Loop has 4 letters. [2021-12-06 22:09:01,647 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:01,647 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:09:01,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:01,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 33 conjunts are in the unsatisfiable core [2021-12-06 22:09:01,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:01,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:09:01,869 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:01,918 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 3 loop predicates [2021-12-06 22:09:01,918 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 77 states and 90 transitions. cyclomatic complexity: 20 Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:02,081 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 77 states and 90 transitions. cyclomatic complexity: 20. Second operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 144 states and 166 transitions. Complement of second has 16 states. [2021-12-06 22:09:02,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-06 22:09:02,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:02,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 82 transitions. [2021-12-06 22:09:02,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 82 transitions. Stem has 32 letters. Loop has 4 letters. [2021-12-06 22:09:02,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:02,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 82 transitions. Stem has 36 letters. Loop has 4 letters. [2021-12-06 22:09:02,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:02,082 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 82 transitions. Stem has 32 letters. Loop has 8 letters. [2021-12-06 22:09:02,082 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:02,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 144 states and 166 transitions. [2021-12-06 22:09:02,083 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 22:09:02,084 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 144 states to 130 states and 149 transitions. [2021-12-06 22:09:02,084 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-12-06 22:09:02,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2021-12-06 22:09:02,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 130 states and 149 transitions. [2021-12-06 22:09:02,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:09:02,084 INFO L681 BuchiCegarLoop]: Abstraction has 130 states and 149 transitions. [2021-12-06 22:09:02,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states and 149 transitions. [2021-12-06 22:09:02,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 101. [2021-12-06 22:09:02,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 101 states have (on average 1.1584158415841583) internal successors, (117), 100 states have internal predecessors, (117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:02,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2021-12-06 22:09:02,086 INFO L704 BuchiCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-12-06 22:09:02,086 INFO L587 BuchiCegarLoop]: Abstraction has 101 states and 117 transitions. [2021-12-06 22:09:02,086 INFO L425 BuchiCegarLoop]: ======== Iteration 15============ [2021-12-06 22:09:02,086 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 101 states and 117 transitions. [2021-12-06 22:09:02,086 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:09:02,086 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:09:02,086 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:09:02,087 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:02,087 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:09:02,087 INFO L791 eck$LassoCheckResult]: Stem: 4595#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4573#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 4571#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 4572#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 4599#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 4596#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 4574#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 4575#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 4568#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 4569#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 4639#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 4602#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 4590#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 4587#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 4577#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 4578#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 4607#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 4654#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 4605#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 4606#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 4653#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 4610#L511-1 assume !strspn_#t~short7#1; 4603#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 4604#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 4588#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 4589#L510-5 strspn_#res#1 := strspn_~l~0#1; 4593#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 4594#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 4563#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 4564#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 4586#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 4581#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 4582#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 4608#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 4609#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 4655#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 4597#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 4598#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 4637#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 4584#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 4585#L524-4 [2021-12-06 22:09:02,087 INFO L793 eck$LassoCheckResult]: Loop: 4585#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 4580#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 4559#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 4560#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 4585#L524-4 [2021-12-06 22:09:02,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:02,088 INFO L85 PathProgramCache]: Analyzing trace with hash -760734412, now seen corresponding path program 1 times [2021-12-06 22:09:02,088 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:02,088 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564248644] [2021-12-06 22:09:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:02,088 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:02,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:02,102 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:02,119 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:02,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:02,119 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 7 times [2021-12-06 22:09:02,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:02,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787283507] [2021-12-06 22:09:02,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:02,120 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:02,122 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:02,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:02,124 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:02,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:02,125 INFO L85 PathProgramCache]: Analyzing trace with hash -632087877, now seen corresponding path program 2 times [2021-12-06 22:09:02,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:02,125 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373035175] [2021-12-06 22:09:02,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:02,125 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:02,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:02,139 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:02,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:02,156 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:04,968 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:09:04,968 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:09:04,968 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:09:04,968 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:09:04,968 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:09:04,968 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:04,968 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:09:04,968 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:09:04,968 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration15_Lasso [2021-12-06 22:09:04,968 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:09:04,968 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:09:04,971 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,978 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,979 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,982 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,983 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,984 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,985 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,987 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,988 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,990 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,991 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,994 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,997 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,998 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:04,999 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,002 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,004 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,006 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,007 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:05,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:06,025 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:07,019 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:09:07,019 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:09:07,019 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,034 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-12-06 22:09:07,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:07,061 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,062 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-12-06 22:09:07,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,090 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Ended with exit code 0 [2021-12-06 22:09:07,090 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,091 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-12-06 22:09:07,092 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,098 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Ended with exit code 0 [2021-12-06 22:09:07,118 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,118 INFO L229 MonitoredProcess]: Starting monitored process 152 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,119 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Waiting until timeout for monitored process [2021-12-06 22:09:07,120 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,126 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (152)] Ended with exit code 0 [2021-12-06 22:09:07,146 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,146 INFO L229 MonitoredProcess]: Starting monitored process 153 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Waiting until timeout for monitored process [2021-12-06 22:09:07,147 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,173 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (153)] Ended with exit code 0 [2021-12-06 22:09:07,173 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,174 INFO L229 MonitoredProcess]: Starting monitored process 154 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Waiting until timeout for monitored process [2021-12-06 22:09:07,175 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (154)] Ended with exit code 0 [2021-12-06 22:09:07,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,202 INFO L229 MonitoredProcess]: Starting monitored process 155 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Waiting until timeout for monitored process [2021-12-06 22:09:07,204 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,211 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,212 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,212 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,213 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (155)] Ended with exit code 0 [2021-12-06 22:09:07,230 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,231 INFO L229 MonitoredProcess]: Starting monitored process 156 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Waiting until timeout for monitored process [2021-12-06 22:09:07,233 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 [2021-12-06 22:09:07,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (156)] Ended with exit code 0 [2021-12-06 22:09:07,259 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,259 INFO L229 MonitoredProcess]: Starting monitored process 157 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Waiting until timeout for monitored process [2021-12-06 22:09:07,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,269 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (157)] Ended with exit code 0 [2021-12-06 22:09:07,287 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,288 INFO L229 MonitoredProcess]: Starting monitored process 158 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Waiting until timeout for monitored process [2021-12-06 22:09:07,289 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,296 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,298 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,315 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (158)] Ended with exit code 0 [2021-12-06 22:09:07,315 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,316 INFO L229 MonitoredProcess]: Starting monitored process 159 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Waiting until timeout for monitored process [2021-12-06 22:09:07,317 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (159)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:07,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,343 INFO L229 MonitoredProcess]: Starting monitored process 160 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Waiting until timeout for monitored process [2021-12-06 22:09:07,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,352 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,352 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (160)] Ended with exit code 0 [2021-12-06 22:09:07,371 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,371 INFO L229 MonitoredProcess]: Starting monitored process 161 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Waiting until timeout for monitored process [2021-12-06 22:09:07,373 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,380 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,380 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (161)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:07,399 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,399 INFO L229 MonitoredProcess]: Starting monitored process 162 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Waiting until timeout for monitored process [2021-12-06 22:09:07,401 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,408 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,408 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,408 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,408 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,410 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (162)] Ended with exit code 0 [2021-12-06 22:09:07,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,428 INFO L229 MonitoredProcess]: Starting monitored process 163 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Waiting until timeout for monitored process [2021-12-06 22:09:07,429 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,437 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (163)] Ended with exit code 0 [2021-12-06 22:09:07,455 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,456 INFO L229 MonitoredProcess]: Starting monitored process 164 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Waiting until timeout for monitored process [2021-12-06 22:09:07,457 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,464 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,464 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,465 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,466 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (164)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:07,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,484 INFO L229 MonitoredProcess]: Starting monitored process 165 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Waiting until timeout for monitored process [2021-12-06 22:09:07,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:07,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:07,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (165)] Ended with exit code 0 [2021-12-06 22:09:07,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,514 INFO L229 MonitoredProcess]: Starting monitored process 166 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Waiting until timeout for monitored process [2021-12-06 22:09:07,518 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 [2021-12-06 22:09:07,524 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,525 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,525 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (166)] Ended with exit code 0 [2021-12-06 22:09:07,544 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,545 INFO L229 MonitoredProcess]: Starting monitored process 167 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Waiting until timeout for monitored process [2021-12-06 22:09:07,547 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,554 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,554 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,554 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,556 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,574 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (167)] Ended with exit code 0 [2021-12-06 22:09:07,574 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,574 INFO L229 MonitoredProcess]: Starting monitored process 168 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Waiting until timeout for monitored process [2021-12-06 22:09:07,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,585 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (168)] Ended with exit code 0 [2021-12-06 22:09:07,603 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,604 INFO L229 MonitoredProcess]: Starting monitored process 169 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Waiting until timeout for monitored process [2021-12-06 22:09:07,605 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 [2021-12-06 22:09:07,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,612 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,612 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,612 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (169)] Ended with exit code 0 [2021-12-06 22:09:07,631 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,631 INFO L229 MonitoredProcess]: Starting monitored process 170 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Waiting until timeout for monitored process [2021-12-06 22:09:07,633 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 [2021-12-06 22:09:07,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,640 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,660 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (170)] Ended with exit code 0 [2021-12-06 22:09:07,661 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,661 INFO L229 MonitoredProcess]: Starting monitored process 171 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Waiting until timeout for monitored process [2021-12-06 22:09:07,663 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,671 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,672 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:07,672 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:07,675 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (171)] Ended with exit code 0 [2021-12-06 22:09:07,693 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,694 INFO L229 MonitoredProcess]: Starting monitored process 172 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Waiting until timeout for monitored process [2021-12-06 22:09:07,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,702 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,702 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,702 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,721 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (172)] Ended with exit code 0 [2021-12-06 22:09:07,721 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,722 INFO L229 MonitoredProcess]: Starting monitored process 173 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Waiting until timeout for monitored process [2021-12-06 22:09:07,723 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (173)] Ended with exit code 0 [2021-12-06 22:09:07,750 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,750 INFO L229 MonitoredProcess]: Starting monitored process 174 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Waiting until timeout for monitored process [2021-12-06 22:09:07,752 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 [2021-12-06 22:09:07,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (174)] Ended with exit code 0 [2021-12-06 22:09:07,778 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,779 INFO L229 MonitoredProcess]: Starting monitored process 175 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Waiting until timeout for monitored process [2021-12-06 22:09:07,780 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (175)] Ended with exit code 0 [2021-12-06 22:09:07,806 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,807 INFO L229 MonitoredProcess]: Starting monitored process 176 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Waiting until timeout for monitored process [2021-12-06 22:09:07,808 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,815 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,815 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,815 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,834 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (176)] Ended with exit code 0 [2021-12-06 22:09:07,834 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,835 INFO L229 MonitoredProcess]: Starting monitored process 177 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Waiting until timeout for monitored process [2021-12-06 22:09:07,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,843 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,843 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (177)] Ended with exit code 0 [2021-12-06 22:09:07,863 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,864 INFO L229 MonitoredProcess]: Starting monitored process 178 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Waiting until timeout for monitored process [2021-12-06 22:09:07,865 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (178)] Ended with exit code 0 [2021-12-06 22:09:07,891 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,891 INFO L229 MonitoredProcess]: Starting monitored process 179 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Waiting until timeout for monitored process [2021-12-06 22:09:07,892 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 [2021-12-06 22:09:07,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:07,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:07,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (179)] Ended with exit code 0 [2021-12-06 22:09:07,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,922 INFO L229 MonitoredProcess]: Starting monitored process 180 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Waiting until timeout for monitored process [2021-12-06 22:09:07,923 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,930 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,930 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,931 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,931 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,949 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (180)] Ended with exit code 0 [2021-12-06 22:09:07,950 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,950 INFO L229 MonitoredProcess]: Starting monitored process 181 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Waiting until timeout for monitored process [2021-12-06 22:09:07,952 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:07,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (181)] Ended with exit code 0 [2021-12-06 22:09:07,978 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:07,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:07,979 INFO L229 MonitoredProcess]: Starting monitored process 182 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:07,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Waiting until timeout for monitored process [2021-12-06 22:09:07,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:07,987 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:07,987 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:07,987 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:07,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:07,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:07,987 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:07,987 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:07,988 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (182)] Ended with exit code 0 [2021-12-06 22:09:08,006 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,007 INFO L229 MonitoredProcess]: Starting monitored process 183 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Waiting until timeout for monitored process [2021-12-06 22:09:08,009 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:08,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,016 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:08,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:08,017 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (183)] Ended with exit code 0 [2021-12-06 22:09:08,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,035 INFO L229 MonitoredProcess]: Starting monitored process 184 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Waiting until timeout for monitored process [2021-12-06 22:09:08,036 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:08,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:08,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:08,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (184)] Ended with exit code 0 [2021-12-06 22:09:08,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,063 INFO L229 MonitoredProcess]: Starting monitored process 185 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Waiting until timeout for monitored process [2021-12-06 22:09:08,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,072 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,072 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:08,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,073 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:08,073 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:08,074 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (185)] Ended with exit code 0 [2021-12-06 22:09:08,091 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,092 INFO L229 MonitoredProcess]: Starting monitored process 186 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Waiting until timeout for monitored process [2021-12-06 22:09:08,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,101 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,101 INFO L203 nArgumentSynthesizer]: 12 stem disjuncts [2021-12-06 22:09:08,101 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2021-12-06 22:09:08,101 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,143 INFO L401 nArgumentSynthesizer]: We have 136 Motzkin's Theorem applications. [2021-12-06 22:09:08,143 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2021-12-06 22:09:08,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (186)] Ended with exit code 0 [2021-12-06 22:09:08,339 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,340 INFO L229 MonitoredProcess]: Starting monitored process 187 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Waiting until timeout for monitored process [2021-12-06 22:09:08,341 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,348 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,355 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:08,355 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:08,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (187)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:08,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,389 INFO L229 MonitoredProcess]: Starting monitored process 188 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Waiting until timeout for monitored process [2021-12-06 22:09:08,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,398 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,398 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,398 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,399 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:08,399 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:08,404 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (188)] Ended with exit code 0 [2021-12-06 22:09:08,421 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,422 INFO L229 MonitoredProcess]: Starting monitored process 189 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Waiting until timeout for monitored process [2021-12-06 22:09:08,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,430 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,432 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:08,432 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:08,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (189)] Ended with exit code 0 [2021-12-06 22:09:08,454 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,454 INFO L229 MonitoredProcess]: Starting monitored process 190 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Waiting until timeout for monitored process [2021-12-06 22:09:08,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,462 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:08,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:08,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (190)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:08,483 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,483 INFO L229 MonitoredProcess]: Starting monitored process 191 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Waiting until timeout for monitored process [2021-12-06 22:09:08,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:08,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:08,496 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (191)] Ended with exit code 0 [2021-12-06 22:09:08,514 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,514 INFO L229 MonitoredProcess]: Starting monitored process 192 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Waiting until timeout for monitored process [2021-12-06 22:09:08,518 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 [2021-12-06 22:09:08,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:08,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:08,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (192)] Ended with exit code 0 [2021-12-06 22:09:08,547 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,548 INFO L229 MonitoredProcess]: Starting monitored process 193 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Waiting until timeout for monitored process [2021-12-06 22:09:08,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,556 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,556 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,556 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,556 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,556 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:08,556 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:08,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:08,576 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (193)] Ended with exit code 0 [2021-12-06 22:09:08,576 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,577 INFO L229 MonitoredProcess]: Starting monitored process 194 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Waiting until timeout for monitored process [2021-12-06 22:09:08,578 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:08,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:08,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:08,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:08,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:08,592 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:08,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:08,615 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:09:08,723 INFO L443 ModelExtractionUtils]: Simplification made 36 calls to the SMT solver. [2021-12-06 22:09:08,723 INFO L444 ModelExtractionUtils]: 12 out of 73 variables were initially zero. Simplification set additionally 58 variables to zero. [2021-12-06 22:09:08,723 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:08,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:08,723 INFO L229 MonitoredProcess]: Starting monitored process 195 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:08,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Waiting until timeout for monitored process [2021-12-06 22:09:08,724 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:09:08,733 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:09:08,733 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:09:08,733 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strcspn_~reject#1.base)_4, ULTIMATE.start_strcspn_~i~0#1) = 5*v_rep(select #length ULTIMATE.start_strcspn_~reject#1.base)_4 - 2*ULTIMATE.start_strcspn_~i~0#1 Supporting invariants [] [2021-12-06 22:09:08,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (194)] Ended with exit code 0 [2021-12-06 22:09:08,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (195)] Ended with exit code 0 [2021-12-06 22:09:09,120 INFO L297 tatePredicateManager]: 82 out of 85 supporting invariants were superfluous and have been removed [2021-12-06 22:09:09,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:09,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:09,172 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 54 conjunts are in the unsatisfiable core [2021-12-06 22:09:09,174 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:09,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:09:09,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:09,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:09,656 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.12 stem predicates 3 loop predicates [2021-12-06 22:09:09,656 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25 Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 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) [2021-12-06 22:09:10,023 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 147 states and 169 transitions. Complement of second has 13 states. [2021-12-06 22:09:10,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 22:09:10,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 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) [2021-12-06 22:09:10,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 72 transitions. [2021-12-06 22:09:10,024 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 72 transitions. Stem has 40 letters. Loop has 4 letters. [2021-12-06 22:09:10,024 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:10,024 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:09:10,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:10,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 55 conjunts are in the unsatisfiable core [2021-12-06 22:09:10,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:10,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:09:10,513 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:10,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:10,584 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.12 stem predicates 3 loop predicates [2021-12-06 22:09:10,584 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25 Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 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) [2021-12-06 22:09:10,926 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 147 states and 169 transitions. Complement of second has 13 states. [2021-12-06 22:09:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 11 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 22:09:10,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 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) [2021-12-06 22:09:10,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 72 transitions. [2021-12-06 22:09:10,927 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 72 transitions. Stem has 40 letters. Loop has 4 letters. [2021-12-06 22:09:10,927 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:10,927 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:09:10,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:10,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:10,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 55 conjunts are in the unsatisfiable core [2021-12-06 22:09:10,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:11,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:11,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 12 conjunts are in the unsatisfiable core [2021-12-06 22:09:11,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:11,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:11,467 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 3 loop predicates [2021-12-06 22:09:11,467 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25 Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 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) [2021-12-06 22:09:11,919 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 101 states and 117 transitions. cyclomatic complexity: 25. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 197 states and 226 transitions. Complement of second has 20 states. [2021-12-06 22:09:11,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 16 states 12 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-06 22:09:11,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 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) [2021-12-06 22:09:11,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 114 transitions. [2021-12-06 22:09:11,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 114 transitions. Stem has 40 letters. Loop has 4 letters. [2021-12-06 22:09:11,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:11,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 114 transitions. Stem has 44 letters. Loop has 4 letters. [2021-12-06 22:09:11,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:11,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 16 states and 114 transitions. Stem has 40 letters. Loop has 8 letters. [2021-12-06 22:09:11,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:11,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 197 states and 226 transitions. [2021-12-06 22:09:11,922 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 22:09:11,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 197 states to 183 states and 209 transitions. [2021-12-06 22:09:11,923 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 56 [2021-12-06 22:09:11,923 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 58 [2021-12-06 22:09:11,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 183 states and 209 transitions. [2021-12-06 22:09:11,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:09:11,923 INFO L681 BuchiCegarLoop]: Abstraction has 183 states and 209 transitions. [2021-12-06 22:09:11,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states and 209 transitions. [2021-12-06 22:09:11,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 107. [2021-12-06 22:09:11,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 107 states have (on average 1.158878504672897) internal successors, (124), 106 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:11,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 124 transitions. [2021-12-06 22:09:11,925 INFO L704 BuchiCegarLoop]: Abstraction has 107 states and 124 transitions. [2021-12-06 22:09:11,925 INFO L587 BuchiCegarLoop]: Abstraction has 107 states and 124 transitions. [2021-12-06 22:09:11,925 INFO L425 BuchiCegarLoop]: ======== Iteration 16============ [2021-12-06 22:09:11,925 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 107 states and 124 transitions. [2021-12-06 22:09:11,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:09:11,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:09:11,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:09:11,926 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:11,926 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:09:11,927 INFO L791 eck$LassoCheckResult]: Stem: 6094#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6072#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 6070#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 6071#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 6098#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 6096#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 6073#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 6074#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 6105#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 6155#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 6156#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 6150#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 6151#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 6140#L511-1 assume !strspn_#t~short7#1; 6139#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 6099#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 6087#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 6088#L510-5 strspn_#res#1 := strspn_~l~0#1; 6092#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 6093#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 6121#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 6120#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 6119#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 6116#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 6118#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 6117#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 6115#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 6114#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 6097#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 6081#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 6064#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 6063#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 6084#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 6080#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 6060#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 6061#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 6162#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 6124#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 6113#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 6112#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 6110#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 6082#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 6083#L524-4 [2021-12-06 22:09:11,927 INFO L793 eck$LassoCheckResult]: Loop: 6083#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 6079#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 6058#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 6059#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 6083#L524-4 [2021-12-06 22:09:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1233200621, now seen corresponding path program 3 times [2021-12-06 22:09:11,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:11,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385955721] [2021-12-06 22:09:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:11,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:11,938 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:11,954 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:11,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:11,954 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 8 times [2021-12-06 22:09:11,954 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:11,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108046784] [2021-12-06 22:09:11,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:11,955 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:11,957 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:11,959 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:11,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1219645466, now seen corresponding path program 4 times [2021-12-06 22:09:11,960 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:11,960 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010609112] [2021-12-06 22:09:11,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:11,960 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:11,972 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:11,989 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:14,462 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:09:14,462 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:09:14,462 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:09:14,462 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:09:14,462 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:09:14,462 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:14,463 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:09:14,463 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:09:14,463 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration16_Lasso [2021-12-06 22:09:14,463 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:09:14,463 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:09:14,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,468 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,469 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,471 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,473 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,474 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,475 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,476 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,479 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,483 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:14,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,231 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,232 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,233 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,235 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,239 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,241 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,243 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,244 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:15,548 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2021-12-06 22:09:16,896 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:09:16,896 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:09:16,897 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:16,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:16,898 INFO L229 MonitoredProcess]: Starting monitored process 196 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:16,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Waiting until timeout for monitored process [2021-12-06 22:09:16,898 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 [2021-12-06 22:09:16,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:16,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:16,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:16,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:16,907 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:16,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:16,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:16,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:16,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (196)] Ended with exit code 0 [2021-12-06 22:09:16,933 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:16,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:16,934 INFO L229 MonitoredProcess]: Starting monitored process 197 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:16,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Waiting until timeout for monitored process [2021-12-06 22:09:16,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:16,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:16,942 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:16,942 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:16,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:16,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:16,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:16,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:16,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:16,961 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (197)] Ended with exit code 0 [2021-12-06 22:09:16,961 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:16,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:16,962 INFO L229 MonitoredProcess]: Starting monitored process 198 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:16,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Waiting until timeout for monitored process [2021-12-06 22:09:16,963 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:16,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:16,970 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:16,970 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:16,970 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:16,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:16,970 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:16,970 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:16,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:16,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (198)] Ended with exit code 0 [2021-12-06 22:09:16,989 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:16,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:16,989 INFO L229 MonitoredProcess]: Starting monitored process 199 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:16,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Waiting until timeout for monitored process [2021-12-06 22:09:16,991 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:16,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:16,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:16,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:16,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:16,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:16,998 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:16,998 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:16,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (199)] Ended with exit code 0 [2021-12-06 22:09:17,016 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,017 INFO L229 MonitoredProcess]: Starting monitored process 200 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Waiting until timeout for monitored process [2021-12-06 22:09:17,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,026 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,026 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,028 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (200)] Ended with exit code 0 [2021-12-06 22:09:17,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,046 INFO L229 MonitoredProcess]: Starting monitored process 201 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Waiting until timeout for monitored process [2021-12-06 22:09:17,048 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 [2021-12-06 22:09:17,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,057 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (201)] Ended with exit code 0 [2021-12-06 22:09:17,075 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,075 INFO L229 MonitoredProcess]: Starting monitored process 202 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Waiting until timeout for monitored process [2021-12-06 22:09:17,077 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 [2021-12-06 22:09:17,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,084 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,084 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,085 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,085 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,086 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,103 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (202)] Ended with exit code 0 [2021-12-06 22:09:17,103 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,103 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,104 INFO L229 MonitoredProcess]: Starting monitored process 203 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Waiting until timeout for monitored process [2021-12-06 22:09:17,105 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,112 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,113 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,113 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (203)] Ended with exit code 0 [2021-12-06 22:09:17,132 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,132 INFO L229 MonitoredProcess]: Starting monitored process 204 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Waiting until timeout for monitored process [2021-12-06 22:09:17,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,141 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (204)] Ended with exit code 0 [2021-12-06 22:09:17,160 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,161 INFO L229 MonitoredProcess]: Starting monitored process 205 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Waiting until timeout for monitored process [2021-12-06 22:09:17,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,170 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (205)] Ended with exit code 0 [2021-12-06 22:09:17,189 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,190 INFO L229 MonitoredProcess]: Starting monitored process 206 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Waiting until timeout for monitored process [2021-12-06 22:09:17,192 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 [2021-12-06 22:09:17,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,217 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (206)] Ended with exit code 0 [2021-12-06 22:09:17,217 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,218 INFO L229 MonitoredProcess]: Starting monitored process 207 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Waiting until timeout for monitored process [2021-12-06 22:09:17,220 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,227 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,227 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,227 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (207)] Ended with exit code 0 [2021-12-06 22:09:17,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,246 INFO L229 MonitoredProcess]: Starting monitored process 208 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Waiting until timeout for monitored process [2021-12-06 22:09:17,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,255 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,255 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,255 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,255 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (208)] Ended with exit code 0 [2021-12-06 22:09:17,274 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,275 INFO L229 MonitoredProcess]: Starting monitored process 209 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Waiting until timeout for monitored process [2021-12-06 22:09:17,276 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 [2021-12-06 22:09:17,283 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,283 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,284 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (209)] Ended with exit code 0 [2021-12-06 22:09:17,302 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,303 INFO L229 MonitoredProcess]: Starting monitored process 210 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Waiting until timeout for monitored process [2021-12-06 22:09:17,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,313 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,313 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,313 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,313 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,332 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (210)] Ended with exit code 0 [2021-12-06 22:09:17,333 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,333 INFO L229 MonitoredProcess]: Starting monitored process 211 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Waiting until timeout for monitored process [2021-12-06 22:09:17,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,341 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,360 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (211)] Ended with exit code 0 [2021-12-06 22:09:17,360 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,361 INFO L229 MonitoredProcess]: Starting monitored process 212 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Waiting until timeout for monitored process [2021-12-06 22:09:17,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,369 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,369 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,369 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,369 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,369 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,369 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,369 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,388 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (212)] Ended with exit code 0 [2021-12-06 22:09:17,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,389 INFO L229 MonitoredProcess]: Starting monitored process 213 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Waiting until timeout for monitored process [2021-12-06 22:09:17,390 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 [2021-12-06 22:09:17,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,398 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,398 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (213)] Ended with exit code 0 [2021-12-06 22:09:17,416 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,417 INFO L229 MonitoredProcess]: Starting monitored process 214 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Waiting until timeout for monitored process [2021-12-06 22:09:17,418 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,425 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,425 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,444 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (214)] Ended with exit code 0 [2021-12-06 22:09:17,444 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,445 INFO L229 MonitoredProcess]: Starting monitored process 215 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Waiting until timeout for monitored process [2021-12-06 22:09:17,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,452 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,452 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,453 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,453 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (215)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:17,471 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,472 INFO L229 MonitoredProcess]: Starting monitored process 216 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Waiting until timeout for monitored process [2021-12-06 22:09:17,474 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,481 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,481 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (216)] Ended with exit code 0 [2021-12-06 22:09:17,499 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,500 INFO L229 MonitoredProcess]: Starting monitored process 217 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Waiting until timeout for monitored process [2021-12-06 22:09:17,501 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,509 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,509 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (217)] Ended with exit code 0 [2021-12-06 22:09:17,530 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,531 INFO L229 MonitoredProcess]: Starting monitored process 218 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Waiting until timeout for monitored process [2021-12-06 22:09:17,532 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,542 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (218)] Ended with exit code 0 [2021-12-06 22:09:17,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,560 INFO L229 MonitoredProcess]: Starting monitored process 219 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Waiting until timeout for monitored process [2021-12-06 22:09:17,561 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,568 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,568 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,568 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (219)] Ended with exit code 0 [2021-12-06 22:09:17,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,590 INFO L229 MonitoredProcess]: Starting monitored process 220 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Waiting until timeout for monitored process [2021-12-06 22:09:17,592 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,600 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,600 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,601 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (220)] Ended with exit code 0 [2021-12-06 22:09:17,619 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,620 INFO L229 MonitoredProcess]: Starting monitored process 221 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Waiting until timeout for monitored process [2021-12-06 22:09:17,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,630 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,633 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (221)] Ended with exit code 0 [2021-12-06 22:09:17,651 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,652 INFO L229 MonitoredProcess]: Starting monitored process 222 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Waiting until timeout for monitored process [2021-12-06 22:09:17,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,665 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,665 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (222)] Ended with exit code 0 [2021-12-06 22:09:17,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,699 INFO L229 MonitoredProcess]: Starting monitored process 223 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Waiting until timeout for monitored process [2021-12-06 22:09:17,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:17,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,708 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:17,708 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:17,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (223)] Ended with exit code 0 [2021-12-06 22:09:17,727 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,728 INFO L229 MonitoredProcess]: Starting monitored process 224 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Waiting until timeout for monitored process [2021-12-06 22:09:17,729 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 [2021-12-06 22:09:17,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (224)] Ended with exit code 0 [2021-12-06 22:09:17,757 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,758 INFO L229 MonitoredProcess]: Starting monitored process 225 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Waiting until timeout for monitored process [2021-12-06 22:09:17,759 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,766 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,766 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,766 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,766 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,767 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,767 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (225)] Ended with exit code 0 [2021-12-06 22:09:17,787 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,788 INFO L229 MonitoredProcess]: Starting monitored process 226 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Waiting until timeout for monitored process [2021-12-06 22:09:17,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,797 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,797 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (226)] Ended with exit code 0 [2021-12-06 22:09:17,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,818 INFO L229 MonitoredProcess]: Starting monitored process 227 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Waiting until timeout for monitored process [2021-12-06 22:09:17,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,830 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:17,848 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (227)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:17,848 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,848 INFO L229 MonitoredProcess]: Starting monitored process 228 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Waiting until timeout for monitored process [2021-12-06 22:09:17,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:17,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:17,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:17,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:17,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:17,864 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:17,864 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:17,888 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:09:17,912 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-12-06 22:09:17,913 INFO L444 ModelExtractionUtils]: 64 out of 79 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-12-06 22:09:17,913 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:17,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:17,913 INFO L229 MonitoredProcess]: Starting monitored process 229 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:17,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Waiting until timeout for monitored process [2021-12-06 22:09:17,914 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:09:17,922 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:09:17,922 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:09:17,922 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strcspn_~reject#1.base)_5, ULTIMATE.start_strcspn_~i~0#1) = 5*v_rep(select #length ULTIMATE.start_strcspn_~reject#1.base)_5 - 2*ULTIMATE.start_strcspn_~i~0#1 Supporting invariants [] [2021-12-06 22:09:17,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (228)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:18,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (229)] Ended with exit code 0 [2021-12-06 22:09:18,167 INFO L297 tatePredicateManager]: 53 out of 54 supporting invariants were superfluous and have been removed [2021-12-06 22:09:18,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:18,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 35 conjunts are in the unsatisfiable core [2021-12-06 22:09:18,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:18,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:18,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:09:18,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:18,481 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 3 loop predicates [2021-12-06 22:09:18,481 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 107 states and 124 transitions. cyclomatic complexity: 26 Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:18,589 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 107 states and 124 transitions. cyclomatic complexity: 26. Second operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 118 states and 136 transitions. Complement of second has 9 states. [2021-12-06 22:09:18,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 7 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 22:09:18,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 3.5833333333333335) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:18,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 40 transitions. [2021-12-06 22:09:18,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 40 transitions. Stem has 42 letters. Loop has 4 letters. [2021-12-06 22:09:18,590 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:18,590 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:09:18,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:18,634 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-06 22:09:18,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:18,877 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:09:18,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:18,923 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 3 loop predicates [2021-12-06 22:09:18,923 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 107 states and 124 transitions. cyclomatic complexity: 26 Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 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) [2021-12-06 22:09:19,022 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 107 states and 124 transitions. cyclomatic complexity: 26. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 118 states and 136 transitions. Complement of second has 8 states. [2021-12-06 22:09:19,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 6 stem states 0 non-accepting loop states 1 accepting loop states [2021-12-06 22:09:19,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 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) [2021-12-06 22:09:19,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 40 transitions. [2021-12-06 22:09:19,022 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 40 transitions. Stem has 42 letters. Loop has 4 letters. [2021-12-06 22:09:19,023 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:19,023 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:09:19,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:19,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:19,065 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 40 conjunts are in the unsatisfiable core [2021-12-06 22:09:19,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:19,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 22:09:19,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:19,368 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 3 loop predicates [2021-12-06 22:09:19,368 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 107 states and 124 transitions. cyclomatic complexity: 26 Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 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) [2021-12-06 22:09:19,557 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 107 states and 124 transitions. cyclomatic complexity: 26. Second operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 178 states and 204 transitions. Complement of second has 17 states. [2021-12-06 22:09:19,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2021-12-06 22:09:19,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.909090909090909) internal successors, (43), 11 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) [2021-12-06 22:09:19,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 92 transitions. [2021-12-06 22:09:19,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 92 transitions. Stem has 42 letters. Loop has 4 letters. [2021-12-06 22:09:19,558 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:19,558 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 92 transitions. Stem has 46 letters. Loop has 4 letters. [2021-12-06 22:09:19,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:19,559 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 92 transitions. Stem has 42 letters. Loop has 8 letters. [2021-12-06 22:09:19,559 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:19,559 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 178 states and 204 transitions. [2021-12-06 22:09:19,560 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2021-12-06 22:09:19,561 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 178 states to 164 states and 187 transitions. [2021-12-06 22:09:19,561 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 50 [2021-12-06 22:09:19,561 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 52 [2021-12-06 22:09:19,561 INFO L73 IsDeterministic]: Start isDeterministic. Operand 164 states and 187 transitions. [2021-12-06 22:09:19,561 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:09:19,561 INFO L681 BuchiCegarLoop]: Abstraction has 164 states and 187 transitions. [2021-12-06 22:09:19,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states and 187 transitions. [2021-12-06 22:09:19,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 125. [2021-12-06 22:09:19,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 125 states have (on average 1.152) internal successors, (144), 124 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2021-12-06 22:09:19,563 INFO L704 BuchiCegarLoop]: Abstraction has 125 states and 144 transitions. [2021-12-06 22:09:19,563 INFO L587 BuchiCegarLoop]: Abstraction has 125 states and 144 transitions. [2021-12-06 22:09:19,563 INFO L425 BuchiCegarLoop]: ======== Iteration 17============ [2021-12-06 22:09:19,563 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 125 states and 144 transitions. [2021-12-06 22:09:19,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:09:19,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:09:19,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:09:19,564 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:19,564 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:09:19,564 INFO L791 eck$LassoCheckResult]: Stem: 7366#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7344#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 7342#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 7343#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 7370#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 7368#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 7345#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 7347#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 7377#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 7386#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 7387#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 7408#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 7407#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 7357#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 7348#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 7349#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 7376#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 7448#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 7447#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 7445#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 7443#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 7437#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 7441#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 7439#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 7436#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 7435#L511-1 assume !strspn_#t~short7#1; 7433#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 7431#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 7428#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 7392#L510-5 strspn_#res#1 := strspn_~l~0#1; 7425#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 7423#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 7335#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 7336#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 7356#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 7363#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 7454#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 7453#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 7452#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 7385#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 7383#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 7382#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 7380#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 7354#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 7355#L524-4 [2021-12-06 22:09:19,564 INFO L793 eck$LassoCheckResult]: Loop: 7355#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 7351#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 7331#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 7332#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 7355#L524-4 [2021-12-06 22:09:19,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:19,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1181985369, now seen corresponding path program 3 times [2021-12-06 22:09:19,565 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:19,565 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082854194] [2021-12-06 22:09:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:19,565 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:19,703 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:09:19,703 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:19,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082854194] [2021-12-06 22:09:19,703 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082854194] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:09:19,703 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1534797253] [2021-12-06 22:09:19,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-12-06 22:09:19,704 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:19,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:19,704 INFO L229 MonitoredProcess]: Starting monitored process 230 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:09:19,705 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (230)] Waiting until timeout for monitored process [2021-12-06 22:09:19,781 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-12-06 22:09:19,781 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-12-06 22:09:19,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 52 conjunts are in the unsatisfiable core [2021-12-06 22:09:19,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:19,951 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 8 [2021-12-06 22:09:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 2 proven. 22 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:09:19,955 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:09:20,022 INFO L354 Elim1Store]: treesize reduction 4, result has 69.2 percent of original size [2021-12-06 22:09:20,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2021-12-06 22:09:20,074 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-12-06 22:09:20,074 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1534797253] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:09:20,075 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:09:20,075 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 11] total 22 [2021-12-06 22:09:20,075 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659478363] [2021-12-06 22:09:20,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:09:20,075 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:09:20,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:20,075 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 9 times [2021-12-06 22:09:20,075 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:20,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731116146] [2021-12-06 22:09:20,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:20,076 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:20,078 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:20,080 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:20,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:20,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-12-06 22:09:20,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2021-12-06 22:09:20,112 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. cyclomatic complexity: 29 Second operand has 22 states, 22 states have (on average 3.727272727272727) internal successors, (82), 22 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) [2021-12-06 22:09:20,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:20,571 INFO L93 Difference]: Finished difference Result 522 states and 584 transitions. [2021-12-06 22:09:20,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-12-06 22:09:20,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 522 states and 584 transitions. [2021-12-06 22:09:20,574 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 20 [2021-12-06 22:09:20,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 522 states to 515 states and 577 transitions. [2021-12-06 22:09:20,576 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2021-12-06 22:09:20,576 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2021-12-06 22:09:20,576 INFO L73 IsDeterministic]: Start isDeterministic. Operand 515 states and 577 transitions. [2021-12-06 22:09:20,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:09:20,576 INFO L681 BuchiCegarLoop]: Abstraction has 515 states and 577 transitions. [2021-12-06 22:09:20,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states and 577 transitions. [2021-12-06 22:09:20,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 247. [2021-12-06 22:09:20,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 247 states have (on average 1.1497975708502024) internal successors, (284), 246 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:20,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 284 transitions. [2021-12-06 22:09:20,582 INFO L704 BuchiCegarLoop]: Abstraction has 247 states and 284 transitions. [2021-12-06 22:09:20,582 INFO L587 BuchiCegarLoop]: Abstraction has 247 states and 284 transitions. [2021-12-06 22:09:20,582 INFO L425 BuchiCegarLoop]: ======== Iteration 18============ [2021-12-06 22:09:20,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 247 states and 284 transitions. [2021-12-06 22:09:20,582 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:09:20,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:09:20,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:09:20,583 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:20,583 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:09:20,583 INFO L791 eck$LassoCheckResult]: Stem: 8338#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8313#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 8311#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 8312#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 8341#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 8339#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 8314#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 8316#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 8454#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 8453#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 8452#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 8451#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 8450#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 8449#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 8317#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 8319#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 8348#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 8399#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 8400#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 8343#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 8344#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 8327#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 8328#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 8447#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 8308#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 8309#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 8397#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 8398#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 8331#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 8332#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 8446#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 8448#L510-1 assume !(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1; 8500#L510-5 strspn_#res#1 := strspn_~l~0#1; 8525#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 8523#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 8512#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 8513#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 8542#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 8539#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 8540#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 8535#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 8536#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 8527#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 8526#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 8524#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 8514#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 8323#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 8324#L524-4 [2021-12-06 22:09:20,583 INFO L793 eck$LassoCheckResult]: Loop: 8324#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 8320#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 8299#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 8300#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 8324#L524-4 [2021-12-06 22:09:20,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:20,583 INFO L85 PathProgramCache]: Analyzing trace with hash -1022885038, now seen corresponding path program 1 times [2021-12-06 22:09:20,583 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:20,584 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866356305] [2021-12-06 22:09:20,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:20,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:20,816 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:09:20,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 22:09:20,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866356305] [2021-12-06 22:09:20,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866356305] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-06 22:09:20,816 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1607081727] [2021-12-06 22:09:20,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:20,817 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-06 22:09:20,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:20,817 INFO L229 MonitoredProcess]: Starting monitored process 231 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-06 22:09:20,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (231)] Waiting until timeout for monitored process [2021-12-06 22:09:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:20,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 63 conjunts are in the unsatisfiable core [2021-12-06 22:09:20,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:20,901 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-06 22:09:21,245 INFO L173 IndexEqualityManager]: detected equality via solver [2021-12-06 22:09:21,246 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-12-06 22:09:21,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 10 [2021-12-06 22:09:21,255 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:09:21,255 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-12-06 22:09:21,952 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 30 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-12-06 22:09:21,952 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1607081727] provided 0 perfect and 2 imperfect interpolant sequences [2021-12-06 22:09:21,952 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-12-06 22:09:21,953 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 15] total 30 [2021-12-06 22:09:21,953 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219138027] [2021-12-06 22:09:21,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-12-06 22:09:21,953 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-12-06 22:09:21,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:21,953 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 10 times [2021-12-06 22:09:21,953 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:21,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713896692] [2021-12-06 22:09:21,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:21,954 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:21,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:21,956 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:21,958 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:21,991 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 22:09:21,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-12-06 22:09:21,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=764, Unknown=0, NotChecked=0, Total=870 [2021-12-06 22:09:21,992 INFO L87 Difference]: Start difference. First operand 247 states and 284 transitions. cyclomatic complexity: 52 Second operand has 30 states, 30 states have (on average 2.7333333333333334) internal successors, (82), 30 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) [2021-12-06 22:09:24,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 22:09:24,255 INFO L93 Difference]: Finished difference Result 517 states and 605 transitions. [2021-12-06 22:09:24,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-12-06 22:09:24,256 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 517 states and 605 transitions. [2021-12-06 22:09:24,258 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:09:24,260 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 517 states to 491 states and 573 transitions. [2021-12-06 22:09:24,260 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 162 [2021-12-06 22:09:24,260 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 162 [2021-12-06 22:09:24,260 INFO L73 IsDeterministic]: Start isDeterministic. Operand 491 states and 573 transitions. [2021-12-06 22:09:24,260 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 22:09:24,260 INFO L681 BuchiCegarLoop]: Abstraction has 491 states and 573 transitions. [2021-12-06 22:09:24,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states and 573 transitions. [2021-12-06 22:09:24,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 323. [2021-12-06 22:09:24,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 323 states have (on average 1.1640866873065014) internal successors, (376), 322 states have internal predecessors, (376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 22:09:24,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 376 transitions. [2021-12-06 22:09:24,265 INFO L704 BuchiCegarLoop]: Abstraction has 323 states and 376 transitions. [2021-12-06 22:09:24,265 INFO L587 BuchiCegarLoop]: Abstraction has 323 states and 376 transitions. [2021-12-06 22:09:24,265 INFO L425 BuchiCegarLoop]: ======== Iteration 19============ [2021-12-06 22:09:24,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 323 states and 376 transitions. [2021-12-06 22:09:24,266 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-12-06 22:09:24,266 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 22:09:24,266 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 22:09:24,267 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 22:09:24,267 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-12-06 22:09:24,267 INFO L791 eck$LassoCheckResult]: Stem: 9479#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9456#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet24#1, main_#t~malloc25#1.base, main_#t~malloc25#1.offset, main_#t~nondet26#1, main_#t~malloc27#1.base, main_#t~malloc27#1.offset, main_#t~ret28#1.base, main_#t~ret28#1.offset, main_~in_len~0#1, main_~in~0#1.base, main_~in~0#1.offset, main_~delim_len~0#1, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;main_~in_len~0#1 := main_#t~nondet24#1;havoc main_#t~nondet24#1; 9454#L544 assume !(main_~in_len~0#1 < 1);call main_#t~malloc25#1.base, main_#t~malloc25#1.offset := #Ultimate.allocOnStack(main_~in_len~0#1);main_~in~0#1.base, main_~in~0#1.offset := main_#t~malloc25#1.base, main_#t~malloc25#1.offset;call write~int(0, main_~in~0#1.base, main_~in~0#1.offset + (main_~in_len~0#1 - 1), 1);main_~delim_len~0#1 := main_#t~nondet26#1;havoc main_#t~nondet26#1; 9455#L548 assume !(main_~delim_len~0#1 < 1);call main_#t~malloc27#1.base, main_#t~malloc27#1.offset := #Ultimate.allocOnStack(main_~delim_len~0#1);main_~delim~0#1.base, main_~delim~0#1.offset := main_#t~malloc27#1.base, main_#t~malloc27#1.offset;call main_~#ptr~0#1.base, main_~#ptr~0#1.offset := #Ultimate.allocOnStack(8);call write~init~$Pointer$(0, 0, main_~#ptr~0#1.base, main_~#ptr~0#1.offset, 8);assume { :begin_inline_strtok_r } true;strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset, strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset, strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset := main_~in~0#1.base, main_~in~0#1.offset, main_~delim~0#1.base, main_~delim~0#1.offset, main_~#ptr~0#1.base, main_~#ptr~0#1.offset;havoc strtok_r_#res#1.base, strtok_r_#res#1.offset;havoc strtok_r_#t~mem18#1.base, strtok_r_#t~mem18#1.offset, strtok_r_#t~ret19#1, strtok_r_#t~mem20#1, strtok_r_#t~ret21#1, strtok_r_#t~mem22#1, strtok_r_#t~post23#1.base, strtok_r_#t~post23#1.offset, strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset, strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset, strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_#in~s#1.base, strtok_r_#in~s#1.offset;strtok_r_~delim#1.base, strtok_r_~delim#1.offset := strtok_r_#in~delim#1.base, strtok_r_#in~delim#1.offset;strtok_r_~ptrptr#1.base, strtok_r_~ptrptr#1.offset := strtok_r_#in~ptrptr#1.base, strtok_r_#in~ptrptr#1.offset;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := 0, 0; 9483#L532 assume !(strtok_r_~s#1.base == 0 && strtok_r_~s#1.offset == 0); 9480#L532-2 assume { :begin_inline_strspn } true;strspn_#in~s#1.base, strspn_#in~s#1.offset, strspn_#in~accept#1.base, strspn_#in~accept#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strspn_#res#1;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset, strspn_#t~mem6#1, strspn_#t~mem4#1, strspn_#t~mem5#1, strspn_#t~short7#1, strspn_#t~mem8#1, strspn_#t~post9#1, strspn_#t~post2#1.base, strspn_#t~post2#1.offset, strspn_#t~mem10#1, strspn_~s#1.base, strspn_~s#1.offset, strspn_~accept#1.base, strspn_~accept#1.offset, strspn_~l~0#1, strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#in~s#1.base, strspn_#in~s#1.offset;strspn_~accept#1.base, strspn_~accept#1.offset := strspn_#in~accept#1.base, strspn_#in~accept#1.offset;strspn_~l~0#1 := 0;havoc strspn_~a~0#1.base, strspn_~a~0#1.offset; 9457#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 9459#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 9596#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 9594#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 9592#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 9590#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 9588#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 9586#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 9584#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 9585#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 9699#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 9698#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 9697#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 9696#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 9695#L512 assume !(0 == strspn_#t~mem8#1);havoc strspn_#t~mem8#1;strspn_#t~post9#1 := strspn_~l~0#1;strspn_~l~0#1 := 1 + strspn_#t~post9#1;havoc strspn_#t~post9#1; 9694#L510-3 strspn_#t~post2#1.base, strspn_#t~post2#1.offset := strspn_~s#1.base, strspn_~s#1.offset;strspn_~s#1.base, strspn_~s#1.offset := strspn_#t~post2#1.base, 1 + strspn_#t~post2#1.offset;havoc strspn_#t~post2#1.base, strspn_#t~post2#1.offset; 9693#L510-4 call strspn_#t~mem10#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1); 9657#L510-1 assume !!(0 != strspn_#t~mem10#1);havoc strspn_#t~mem10#1;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_~accept#1.base, strspn_~accept#1.offset; 9646#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 9707#L511-1 assume strspn_#t~short7#1;call strspn_#t~mem4#1 := read~int(strspn_~s#1.base, strspn_~s#1.offset, 1);call strspn_#t~mem5#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := strspn_#t~mem4#1 != strspn_#t~mem5#1; 9706#L511-3 assume !!strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 9705#L511-5 strspn_#t~post3#1.base, strspn_#t~post3#1.offset := strspn_~a~0#1.base, strspn_~a~0#1.offset;strspn_~a~0#1.base, strspn_~a~0#1.offset := strspn_#t~post3#1.base, 1 + strspn_#t~post3#1.offset;havoc strspn_#t~post3#1.base, strspn_#t~post3#1.offset; 9704#L511-6 call strspn_#t~mem6#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1);strspn_#t~short7#1 := 0 != strspn_#t~mem6#1; 9703#L511-1 assume !strspn_#t~short7#1; 9702#L511-3 assume !strspn_#t~short7#1;havoc strspn_#t~mem6#1;havoc strspn_#t~mem4#1;havoc strspn_#t~mem5#1;havoc strspn_#t~short7#1; 9701#L511-7 call strspn_#t~mem8#1 := read~int(strspn_~a~0#1.base, strspn_~a~0#1.offset, 1); 9644#L512 assume 0 == strspn_#t~mem8#1;havoc strspn_#t~mem8#1; 9643#L510-5 strspn_#res#1 := strspn_~l~0#1; 9534#L517 strtok_r_#t~ret19#1 := strspn_#res#1;assume { :end_inline_strspn } true;strtok_r_~s#1.base, strtok_r_~s#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset + (if strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 else strtok_r_#t~ret19#1 % 18446744073709551616 % 18446744073709551616 - 18446744073709551616);havoc strtok_r_#t~ret19#1;call strtok_r_#t~mem20#1 := read~int(strtok_r_~s#1.base, strtok_r_~s#1.offset, 1); 9531#L534 assume 0 != strtok_r_#t~mem20#1;havoc strtok_r_#t~mem20#1;strtok_r_~tmp~0#1.base, strtok_r_~tmp~0#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset;assume { :begin_inline_strcspn } true;strcspn_#in~s#1.base, strcspn_#in~s#1.offset, strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset := strtok_r_~s#1.base, strtok_r_~s#1.offset, strtok_r_~delim#1.base, strtok_r_~delim#1.offset;havoc strcspn_#res#1;havoc strcspn_#t~mem13#1, strcspn_#t~mem14#1, strcspn_#t~pre12#1, strcspn_#t~mem15#1, strcspn_#t~pre16#1, strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset, strcspn_#t~mem17#1, strcspn_~s#1.base, strcspn_~s#1.offset, strcspn_~reject#1.base, strcspn_~reject#1.offset, strcspn_~l~1#1, strcspn_~i~0#1;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_#in~s#1.base, strcspn_#in~s#1.offset;strcspn_~reject#1.base, strcspn_~reject#1.offset := strcspn_#in~reject#1.base, strcspn_#in~reject#1.offset;strcspn_~l~1#1 := 0;havoc strcspn_~i~0#1; 9528#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 9525#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 9526#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 9511#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 9512#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 9503#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 9504#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 9496#L524-1 assume !(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1; 9495#L524-5 strcspn_#t~pre16#1 := 1 + strcspn_~l~1#1;strcspn_~l~1#1 := 1 + strcspn_~l~1#1;havoc strcspn_#t~pre16#1; 9494#L523-3 strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;strcspn_~s#1.base, strcspn_~s#1.offset := strcspn_~s#1.base, 1 + strcspn_~s#1.offset;havoc strcspn_#t~pre11#1.base, strcspn_#t~pre11#1.offset; 9492#L523-4 call strcspn_#t~mem17#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1); 9466#L523-1 assume !!(0 != strcspn_#t~mem17#1);havoc strcspn_#t~mem17#1;strcspn_~i~0#1 := 0; 9467#L524-4 [2021-12-06 22:09:24,267 INFO L793 eck$LassoCheckResult]: Loop: 9467#L524-4 call strcspn_#t~mem15#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 9463#L524-1 assume !!(0 != strcspn_#t~mem15#1);havoc strcspn_#t~mem15#1;call strcspn_#t~mem13#1 := read~int(strcspn_~s#1.base, strcspn_~s#1.offset, 1);call strcspn_#t~mem14#1 := read~int(strcspn_~reject#1.base, strcspn_~reject#1.offset + strcspn_~i~0#1, 1); 9441#L525 assume !(strcspn_#t~mem13#1 == strcspn_#t~mem14#1);havoc strcspn_#t~mem13#1;havoc strcspn_#t~mem14#1; 9442#L524-3 strcspn_#t~pre12#1 := 1 + strcspn_~i~0#1;strcspn_~i~0#1 := 1 + strcspn_~i~0#1;havoc strcspn_#t~pre12#1; 9467#L524-4 [2021-12-06 22:09:24,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:24,267 INFO L85 PathProgramCache]: Analyzing trace with hash -1089618362, now seen corresponding path program 4 times [2021-12-06 22:09:24,267 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:24,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33142561] [2021-12-06 22:09:24,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:24,267 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:24,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:24,283 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:24,300 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:24,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:24,301 INFO L85 PathProgramCache]: Analyzing trace with hash 3329800, now seen corresponding path program 11 times [2021-12-06 22:09:24,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:24,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174521761] [2021-12-06 22:09:24,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:24,301 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:24,303 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:24,305 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:24,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:24,306 INFO L85 PathProgramCache]: Analyzing trace with hash -369237299, now seen corresponding path program 5 times [2021-12-06 22:09:24,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 22:09:24,306 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811075965] [2021-12-06 22:09:24,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 22:09:24,306 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 22:09:24,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:24,319 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 22:09:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 22:09:24,337 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 22:09:27,733 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 22:09:27,733 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 22:09:27,733 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 22:09:27,733 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 22:09:27,733 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 22:09:27,733 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:27,734 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 22:09:27,734 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 22:09:27,734 INFO L133 ssoRankerPreferences]: Filename of dumped script: strtok_r.i_Iteration19_Lasso [2021-12-06 22:09:27,734 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 22:09:27,734 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 22:09:27,737 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:27,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,577 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,579 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,581 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,582 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,584 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,585 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,587 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,588 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,589 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,590 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,591 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,592 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,593 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,594 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,596 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,597 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,598 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,599 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,600 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,603 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,605 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,608 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,609 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:28,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 22:09:29,619 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 22:09:29,619 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 22:09:29,620 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,620 INFO L229 MonitoredProcess]: Starting monitored process 232 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Waiting until timeout for monitored process [2021-12-06 22:09:29,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:29,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,629 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 22:09:29,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 22:09:29,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 22:09:29,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (232)] Ended with exit code 0 [2021-12-06 22:09:29,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,649 INFO L229 MonitoredProcess]: Starting monitored process 233 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Waiting until timeout for monitored process [2021-12-06 22:09:29,651 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:29,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,660 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,660 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,663 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (233)] Ended with exit code 0 [2021-12-06 22:09:29,681 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,682 INFO L229 MonitoredProcess]: Starting monitored process 234 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Waiting until timeout for monitored process [2021-12-06 22:09:29,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:29,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,694 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (234)] Ended with exit code 0 [2021-12-06 22:09:29,712 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,713 INFO L229 MonitoredProcess]: Starting monitored process 235 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Waiting until timeout for monitored process [2021-12-06 22:09:29,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:29,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (235)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:29,742 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,743 INFO L229 MonitoredProcess]: Starting monitored process 236 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Waiting until timeout for monitored process [2021-12-06 22:09:29,744 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 [2021-12-06 22:09:29,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (236)] Ended with exit code 0 [2021-12-06 22:09:29,772 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,773 INFO L229 MonitoredProcess]: Starting monitored process 237 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Waiting until timeout for monitored process [2021-12-06 22:09:29,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:29,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,780 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,781 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,781 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (237)] Forceful destruction successful, exit code 0 [2021-12-06 22:09:29,802 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,802 INFO L229 MonitoredProcess]: Starting monitored process 238 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Waiting until timeout for monitored process [2021-12-06 22:09:29,803 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:29,810 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,812 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,812 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,832 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (238)] Ended with exit code 0 [2021-12-06 22:09:29,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,832 INFO L229 MonitoredProcess]: Starting monitored process 239 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Waiting until timeout for monitored process [2021-12-06 22:09:29,834 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 [2021-12-06 22:09:29,841 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,841 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,841 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,841 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,843 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,843 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (239)] Ended with exit code 0 [2021-12-06 22:09:29,864 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,864 INFO L229 MonitoredProcess]: Starting monitored process 240 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Waiting until timeout for monitored process [2021-12-06 22:09:29,866 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:29,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,875 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,875 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (240)] Ended with exit code 0 [2021-12-06 22:09:29,896 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,897 INFO L229 MonitoredProcess]: Starting monitored process 241 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Waiting until timeout for monitored process [2021-12-06 22:09:29,898 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 [2021-12-06 22:09:29,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,906 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,908 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 22:09:29,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (241)] Ended with exit code 0 [2021-12-06 22:09:29,926 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:29,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:29,926 INFO L229 MonitoredProcess]: Starting monitored process 242 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:29,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Waiting until timeout for monitored process [2021-12-06 22:09:29,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 22:09:29,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 22:09:29,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 22:09:29,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 22:09:29,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 22:09:29,943 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 22:09:29,943 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 22:09:29,968 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 22:09:30,017 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2021-12-06 22:09:30,017 INFO L444 ModelExtractionUtils]: 18 out of 88 variables were initially zero. Simplification set additionally 66 variables to zero. [2021-12-06 22:09:30,017 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 22:09:30,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 22:09:30,018 INFO L229 MonitoredProcess]: Starting monitored process 243 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 22:09:30,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Waiting until timeout for monitored process [2021-12-06 22:09:30,019 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 22:09:30,026 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 22:09:30,026 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 22:09:30,026 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_strcspn_~reject#1.base)_6, ULTIMATE.start_strcspn_~reject#1.offset, ULTIMATE.start_strcspn_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_strcspn_~reject#1.base)_6 - 1*ULTIMATE.start_strcspn_~reject#1.offset - 1*ULTIMATE.start_strcspn_~i~0#1 Supporting invariants [] [2021-12-06 22:09:30,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (242)] Ended with exit code 0 [2021-12-06 22:09:30,292 INFO L297 tatePredicateManager]: 61 out of 61 supporting invariants were superfluous and have been removed [2021-12-06 22:09:30,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:30,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:09:30,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:30,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:30,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:09:30,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:30,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (243)] Ended with exit code 0 [2021-12-06 22:09:30,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:30,389 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 [2021-12-06 22:09:30,389 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 323 states and 376 transitions. cyclomatic complexity: 72 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2021-12-06 22:09:30,398 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 323 states and 376 transitions. cyclomatic complexity: 72. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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 434 states and 500 transitions. Complement of second has 5 states. [2021-12-06 22:09:30,398 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 [2021-12-06 22:09:30,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2021-12-06 22:09:30,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-12-06 22:09:30,399 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 48 letters. Loop has 4 letters. [2021-12-06 22:09:30,399 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:30,399 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:09:30,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:30,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:30,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:09:30,433 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:30,478 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:09:30,478 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:30,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:30,493 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 22:09:30,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 323 states and 376 transitions. cyclomatic complexity: 72 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2021-12-06 22:09:30,501 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 323 states and 376 transitions. cyclomatic complexity: 72. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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 434 states and 500 transitions. Complement of second has 5 states. [2021-12-06 22:09:30,502 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 [2021-12-06 22:09:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2021-12-06 22:09:30,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 32 transitions. [2021-12-06 22:09:30,502 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 32 transitions. Stem has 48 letters. Loop has 4 letters. [2021-12-06 22:09:30,502 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:30,502 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 22:09:30,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 22:09:30,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:30,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 22:09:30,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 22:09:30,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 22:09:30,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 22:09:30,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 22:09:30,589 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-12-06 22:09:30,590 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 323 states and 376 transitions. cyclomatic complexity: 72 Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2021-12-06 22:09:30,598 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 323 states and 376 transitions. cyclomatic complexity: 72. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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 400 states and 465 transitions. Complement of second has 4 states. [2021-12-06 22:09:30,598 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 [2021-12-06 22:09:30,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 3 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) [2021-12-06 22:09:30,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 40 transitions. [2021-12-06 22:09:30,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 48 letters. Loop has 4 letters. [2021-12-06 22:09:30,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:30,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 52 letters. Loop has 4 letters. [2021-12-06 22:09:30,599 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:30,599 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 40 transitions. Stem has 48 letters. Loop has 8 letters. [2021-12-06 22:09:30,600 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 22:09:30,600 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 400 states and 465 transitions. [2021-12-06 22:09:30,601 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 22:09:30,601 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 400 states to 0 states and 0 transitions. [2021-12-06 22:09:30,601 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 22:09:30,601 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 22:09:30,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 22:09:30,601 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 22:09:30,601 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:09:30,601 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:09:30,602 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 22:09:30,602 INFO L425 BuchiCegarLoop]: ======== Iteration 20============ [2021-12-06 22:09:30,602 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 22:09:30,602 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 22:09:30,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 22:09:30,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 10:09:30 BoogieIcfgContainer [2021-12-06 22:09:30,606 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 22:09:30,606 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 22:09:30,606 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 22:09:30,606 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 22:09:30,607 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 10:08:33" (3/4) ... [2021-12-06 22:09:30,608 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 22:09:30,608 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 22:09:30,609 INFO L158 Benchmark]: Toolchain (without parser) took 57652.27ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 69.2MB in the beginning and 31.7MB in the end (delta: 37.5MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2021-12-06 22:09:30,609 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:09:30,609 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.42ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 76.3MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 22:09:30,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.52ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 73.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:09:30,610 INFO L158 Benchmark]: Boogie Preprocessor took 22.80ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 22:09:30,610 INFO L158 Benchmark]: RCFGBuilder took 338.44ms. Allocated memory is still 104.9MB. Free memory was 72.1MB in the beginning and 57.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-06 22:09:30,610 INFO L158 Benchmark]: BuchiAutomizer took 56967.63ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 57.0MB in the beginning and 31.9MB in the end (delta: 25.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-12-06 22:09:30,610 INFO L158 Benchmark]: Witness Printer took 2.24ms. Allocated memory is still 125.8MB. Free memory was 31.9MB in the beginning and 31.7MB in the end (delta: 210.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 22:09:30,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 104.9MB. Free memory is still 86.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.42ms. Allocated memory is still 104.9MB. Free memory was 69.0MB in the beginning and 76.3MB in the end (delta: -7.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.52ms. Allocated memory is still 104.9MB. Free memory was 76.3MB in the beginning and 73.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.80ms. Allocated memory is still 104.9MB. Free memory was 73.7MB in the beginning and 72.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 338.44ms. Allocated memory is still 104.9MB. Free memory was 72.1MB in the beginning and 57.4MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 56967.63ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 57.0MB in the beginning and 31.9MB in the end (delta: 25.1MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Witness Printer took 2.24ms. Allocated memory is still 125.8MB. Free memory was 31.9MB in the beginning and 31.7MB in the end (delta: 210.5kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 19 terminating modules (10 trivial, 4 deterministic, 5 nondeterministic). One deterministic module has affine ranking function in_len + -1 * s and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[a] + -1 * a and consists of 3 locations. One deterministic module has affine ranking function -1 * s + unknown-#length-unknown[__builtin_alloca (in_len)] and consists of 5 locations. One deterministic module has affine ranking function delim_len + -1 * i and consists of 7 locations. One nondeterministic module has affine ranking function -1 * a + unknown-#length-unknown[__builtin_alloca (delim_len)] and consists of 5 locations. One nondeterministic module has affine ranking function -2 * i + 3 * unknown-#length-unknown[reject] and consists of 12 locations. One nondeterministic module has affine ranking function 5 * unknown-#length-unknown[reject] + -2 * i and consists of 16 locations. One nondeterministic module has affine ranking function 5 * unknown-#length-unknown[reject] + -2 * i and consists of 12 locations. One nondeterministic module has affine ranking function unknown-#length-unknown[reject] + -1 * reject + -1 * i and consists of 3 locations. 10 modules have a trivial ranking function, the largest among these consists of 30 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.9s and 20 iterations. TraceHistogramMax:4. Analysis of lassos took 45.9s. Construction of modules took 1.6s. Büchi inclusion checks took 9.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 16. Automata minimization 0.1s AutomataMinimizationTime, 18 MinimizatonAttempts, 820 StatesRemovedByMinimization, 14 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 323 states and ocurred in iteration 18. Nontrivial modules had stage [4, 0, 5, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3054 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3050 mSDsluCounter, 3541 SdHoareTripleChecker+Invalid, 1.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 68 IncrementalHoareTripleChecker+Unchecked, 2728 mSDsCounter, 494 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3280 IncrementalHoareTripleChecker+Invalid, 3842 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 494 mSolverCounterUnsat, 813 mSDtfsCounter, 3280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU8 SILI1 SILT0 lasso9 LassoPreprocessingBenchmarks: Lassos: inital383 mio100 ax100 hnf100 lsp96 ukn79 mio100 lsp42 div116 bol100 ite100 ukn100 eq188 hnf83 smp96 dnf266 smp82 tf100 neg95 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 143ms VariablesStem: 5 VariablesLoop: 4 DisjunctsStem: 12 DisjunctsLoop: 4 SupportingInvariants: 8 MotzkinApplications: 136 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 22:09:30,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (231)] Ended with exit code 0 [2021-12-06 22:09:30,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (230)] Ended with exit code 0 [2021-12-06 22:09:31,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (124)] Ended with exit code 0 [2021-12-06 22:09:31,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 -smt2 -in SMTLIB2_COMPLIANT=true (80)] Ended with exit code 0 [2021-12-06 22:09:31,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e07022-07d2-4703-b3c5-4f5af0025049/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE