./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/trex01-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/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_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/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 32bit --witnessprinter.graph.data.programhash fcd99b2df0924887988cb47edc94be4a868bdcbcd74e734872c50b1f1ade5738 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:56:10,267 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:56:10,269 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:56:10,299 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:56:10,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:56:10,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:56:10,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:56:10,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:56:10,307 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:56:10,308 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:56:10,309 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:56:10,310 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:56:10,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:56:10,312 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:56:10,313 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:56:10,315 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:56:10,316 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:56:10,317 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:56:10,319 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:56:10,321 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:56:10,323 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:56:10,324 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:56:10,326 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:56:10,326 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:56:10,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:56:10,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:56:10,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:56:10,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:56:10,332 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:56:10,333 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:56:10,334 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:56:10,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:56:10,335 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:56:10,336 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:56:10,337 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:56:10,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:56:10,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:56:10,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:56:10,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:56:10,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:56:10,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:56:10,340 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-06 18:56:10,363 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:56:10,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:56:10,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:56:10,364 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:56:10,365 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:56:10,365 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:56:10,365 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:56:10,365 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 18:56:10,365 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 18:56:10,366 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 18:56:10,366 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 18:56:10,366 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 18:56:10,366 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 18:56:10,366 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:56:10,366 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-06 18:56:10,367 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:56:10,367 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:56:10,367 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-06 18:56:10,367 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:56:10,367 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 18:56:10,367 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 18:56:10,368 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 18:56:10,368 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-06 18:56:10,368 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:56:10,368 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 18:56:10,368 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:56:10,368 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 18:56:10,369 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:56:10,369 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:56:10,369 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:56:10,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:56:10,369 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:56:10,370 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 18:56:10,370 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_a34f7788-4f84-4d14-9464-53484ef0c20a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd99b2df0924887988cb47edc94be4a868bdcbcd74e734872c50b1f1ade5738 [2021-12-06 18:56:10,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:56:10,572 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:56:10,574 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:56:10,575 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:56:10,575 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:56:10,576 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/loops/trex01-2.i [2021-12-06 18:56:10,618 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/data/5f2389138/399aa746db3a42fd8c8abc791e4c9f5f/FLAGce714bf5d [2021-12-06 18:56:10,979 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:56:10,979 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/sv-benchmarks/c/loops/trex01-2.i [2021-12-06 18:56:10,984 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/data/5f2389138/399aa746db3a42fd8c8abc791e4c9f5f/FLAGce714bf5d [2021-12-06 18:56:10,993 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/data/5f2389138/399aa746db3a42fd8c8abc791e4c9f5f [2021-12-06 18:56:10,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:56:10,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:56:10,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:56:10,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:56:11,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:56:11,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:56:10" (1/1) ... [2021-12-06 18:56:11,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cceaee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11, skipping insertion in model container [2021-12-06 18:56:11,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:56:10" (1/1) ... [2021-12-06 18:56:11,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:56:11,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:56:11,132 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/sv-benchmarks/c/loops/trex01-2.i[895,908] [2021-12-06 18:56:11,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:56:11,152 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:56:11,163 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/sv-benchmarks/c/loops/trex01-2.i[895,908] [2021-12-06 18:56:11,167 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:56:11,177 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:56:11,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11 WrapperNode [2021-12-06 18:56:11,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:56:11,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:56:11,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:56:11,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:56:11,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,212 INFO L137 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 6, statements flattened = 102 [2021-12-06 18:56:11,213 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:56:11,214 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:56:11,214 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:56:11,214 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:56:11,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,223 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,224 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,232 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,235 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:56:11,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:56:11,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:56:11,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:56:11,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (1/1) ... [2021-12-06 18:56:11,246 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:11,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:11,266 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:11,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 18:56:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 18:56:11,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 18:56:11,297 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:56:11,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:56:11,345 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:56:11,346 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:56:11,451 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:56:11,456 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:56:11,456 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-12-06 18:56:11,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:56:11 BoogieIcfgContainer [2021-12-06 18:56:11,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:56:11,458 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 18:56:11,458 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 18:56:11,461 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 18:56:11,461 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:56:11,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 06:56:10" (1/3) ... [2021-12-06 18:56:11,462 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f826aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:56:11, skipping insertion in model container [2021-12-06 18:56:11,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:56:11,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:56:11" (2/3) ... [2021-12-06 18:56:11,463 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f826aa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:56:11, skipping insertion in model container [2021-12-06 18:56:11,463 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:56:11,463 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:56:11" (3/3) ... [2021-12-06 18:56:11,464 INFO L388 chiAutomizerObserver]: Analyzing ICFG trex01-2.i [2021-12-06 18:56:11,496 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 18:56:11,496 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 18:56:11,496 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 18:56:11,496 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 18:56:11,496 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 18:56:11,496 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 18:56:11,496 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 18:56:11,496 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 18:56:11,508 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 33 states, 32 states have (on average 1.65625) internal successors, (53), 32 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:11,523 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-06 18:56:11,523 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:11,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:11,527 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 18:56:11,527 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 18:56:11,528 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 18:56:11,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 33 states, 32 states have (on average 1.65625) internal successors, (53), 32 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:11,532 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-12-06 18:56:11,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:11,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:11,532 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 18:56:11,532 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 18:56:11,537 INFO L791 eck$LassoCheckResult]: Stem: 19#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 11#L50true assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 20#L27true assume !!(f_~k~0#1 <= 1073741823); 4#L30-2true [2021-12-06 18:56:11,537 INFO L793 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 4#L30-2true [2021-12-06 18:56:11,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:11,542 INFO L85 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2021-12-06 18:56:11,548 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:11,549 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20364218] [2021-12-06 18:56:11,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:11,550 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:11,622 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:11,644 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:11,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:11,647 INFO L85 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2021-12-06 18:56:11,647 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:11,648 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994148046] [2021-12-06 18:56:11,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:11,648 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:11,654 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:11,659 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:11,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:11,660 INFO L85 PathProgramCache]: Analyzing trace with hash 28693899, now seen corresponding path program 1 times [2021-12-06 18:56:11,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:11,661 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942396860] [2021-12-06 18:56:11,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:11,662 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:11,675 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:11,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:11,689 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:11,850 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:11,850 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:11,850 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:11,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:11,851 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:11,851 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:11,851 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:11,851 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:11,851 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration1_Lasso [2021-12-06 18:56:11,851 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:11,851 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:11,868 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:11,873 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:11,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:11,885 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 18:56:11,891 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 18:56:11,893 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 18:56:11,895 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 18:56:11,905 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 18:56:11,907 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 18:56:11,908 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 18:56:11,909 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 18:56:11,911 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 18:56:11,916 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 18:56:11,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:11,921 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 18:56:11,924 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 18:56:11,925 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 18:56:11,927 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 18:56:11,929 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 18:56:12,058 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:12,061 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:12,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 18:56:12,065 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 18:56:12,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:12,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,078 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:12,078 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:12,080 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:12,100 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,101 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 18:56:12,102 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:12,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,114 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,114 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,118 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,146 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:12,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,147 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 18:56:12,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:12,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,158 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,158 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,161 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 18:56:12,179 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,180 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 18:56:12,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:12,189 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:12,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,189 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,190 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:12,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:12,191 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 18:56:12,210 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,211 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 18:56:12,212 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:12,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,223 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,223 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,226 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,244 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:12,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,245 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 18:56:12,246 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:12,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,254 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,256 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,256 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,259 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 18:56:12,278 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,279 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 18:56:12,280 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:12,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 18:56:12,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,312 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 18:56:12,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:12,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,321 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,322 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,348 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 18:56:12,348 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,349 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 18:56:12,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:12,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,359 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,359 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,381 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 18:56:12,381 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,382 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 18:56:12,383 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 18:56:12,391 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,391 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,393 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,393 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,414 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 18:56:12,414 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,415 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 18:56:12,416 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:12,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,425 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,426 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,428 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:12,447 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,448 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,449 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 18:56:12,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:12,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:12,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:12,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:12,458 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 18:56:12,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,478 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 18:56:12,485 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 18:56:12,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:12,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,492 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:12,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:12,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 18:56:12,512 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,513 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 18:56:12,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:12,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:12,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,522 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:12,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:12,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2021-12-06 18:56:12,542 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,542 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-06 18:56:12,543 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 18:56:12,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,551 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:12,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:12,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:12,553 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:12,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:12,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,572 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-06 18:56:12,573 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 18:56:12,580 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:12,580 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:12,580 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:12,580 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:12,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:12,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:12,591 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:12,598 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 18:56:12,598 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 18:56:12,600 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:12,601 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:12,604 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-06 18:56:12,605 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:12,614 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:12,614 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:12,615 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0#1, ULTIMATE.start_f_~k~0#1) = -1*ULTIMATE.start_f_~z~0#1 + 1*ULTIMATE.start_f_~k~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2021-12-06 18:56:12,634 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:12,637 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:12,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:12,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:12,670 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 18:56:12,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:12,689 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:56:12,689 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:12,690 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 18:56:12,712 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-12-06 18:56:12,713 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 33 states, 32 states have (on average 1.65625) internal successors, (53), 32 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:12,782 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 33 states, 32 states have (on average 1.65625) internal successors, (53), 32 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 98 states and 141 transitions. Complement of second has 7 states. [2021-12-06 18:56:12,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:56:12,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:12,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions. [2021-12-06 18:56:12,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-06 18:56:12,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:12,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-06 18:56:12,789 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:12,789 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 105 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 18:56:12,790 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:12,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 98 states and 141 transitions. [2021-12-06 18:56:12,795 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2021-12-06 18:56:12,798 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 98 states to 32 states and 40 transitions. [2021-12-06 18:56:12,798 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-06 18:56:12,799 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-12-06 18:56:12,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 40 transitions. [2021-12-06 18:56:12,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:12,799 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 40 transitions. [2021-12-06 18:56:12,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 40 transitions. [2021-12-06 18:56:12,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 26. [2021-12-06 18:56:12,819 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 18:56:12,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 32 transitions. [2021-12-06 18:56:12,820 INFO L704 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-06 18:56:12,820 INFO L587 BuchiCegarLoop]: Abstraction has 26 states and 32 transitions. [2021-12-06 18:56:12,821 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 18:56:12,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 32 transitions. [2021-12-06 18:56:12,822 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-12-06 18:56:12,822 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:12,822 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:12,822 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-12-06 18:56:12,822 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-12-06 18:56:12,823 INFO L791 eck$LassoCheckResult]: Stem: 206#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 194#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 195#L50 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 197#L27-1 assume !!(f_~k~0#1 <= 1073741823); 209#L30-6 [2021-12-06 18:56:12,823 INFO L793 eck$LassoCheckResult]: Loop: 209#L30-6 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 209#L30-6 [2021-12-06 18:56:12,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:12,824 INFO L85 PathProgramCache]: Analyzing trace with hash 927785, now seen corresponding path program 1 times [2021-12-06 18:56:12,824 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:12,824 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757429765] [2021-12-06 18:56:12,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:12,824 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:12,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:12,831 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:12,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:12,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:12,841 INFO L85 PathProgramCache]: Analyzing trace with hash 119, now seen corresponding path program 1 times [2021-12-06 18:56:12,841 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:12,841 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523425971] [2021-12-06 18:56:12,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:12,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:12,845 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:12,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:12,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:12,849 INFO L85 PathProgramCache]: Analyzing trace with hash 28761423, now seen corresponding path program 1 times [2021-12-06 18:56:12,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:12,850 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426132003] [2021-12-06 18:56:12,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:12,850 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:12,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:12,859 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:12,868 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:12,954 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:12,954 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:12,954 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:12,954 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:12,954 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:12,955 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:12,955 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:12,955 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:12,955 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration2_Lasso [2021-12-06 18:56:12,955 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:12,955 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:12,957 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,959 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,960 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,961 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,962 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,963 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,964 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,965 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,968 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,970 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,974 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,975 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,984 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 18:56:12,985 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 18:56:12,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:12,990 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 18:56:12,995 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 18:56:12,996 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 18:56:12,997 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 18:56:13,086 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:13,086 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:13,086 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,087 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-12-06 18:56:13,088 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:13,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:13,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:13,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:13,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:13,130 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,131 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-12-06 18:56:13,132 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 18:56:13,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,140 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:13,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,140 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:13,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:13,142 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2021-12-06 18:56:13,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,162 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-12-06 18:56:13,163 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 18:56:13,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,170 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:13,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,171 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:13,171 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:13,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:13,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,192 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-12-06 18:56:13,193 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:13,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:13,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,201 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:13,201 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:13,202 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2021-12-06 18:56:13,221 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,222 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-12-06 18:56:13,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:13,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:13,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:13,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:13,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2021-12-06 18:56:13,252 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,252 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-12-06 18:56:13,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:13,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:13,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:13,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:13,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-06 18:56:13,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:13,324 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,325 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,325 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-12-06 18:56:13,326 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:13,333 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,333 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:13,333 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,333 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,333 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,334 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:13,334 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:13,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:13,354 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,355 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-12-06 18:56:13,357 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:13,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,395 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-12-06 18:56:13,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,397 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-12-06 18:56:13,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:13,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,407 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,407 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-12-06 18:56:13,428 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,428 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-12-06 18:56:13,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:13,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-12-06 18:56:13,461 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,462 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-12-06 18:56:13,463 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:13,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,473 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,473 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:13,495 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,496 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-12-06 18:56:13,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:13,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,508 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,508 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,512 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:13,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,541 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-12-06 18:56:13,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:13,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,552 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,552 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-12-06 18:56:13,573 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,573 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-12-06 18:56:13,576 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 18:56:13,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-12-06 18:56:13,607 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,608 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-12-06 18:56:13,609 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:13,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,618 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,618 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,620 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,639 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:13,639 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,640 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-12-06 18:56:13,641 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 18:56:13,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,648 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:13,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,649 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:13,649 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:13,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:13,667 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2021-12-06 18:56:13,667 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,668 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,668 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-12-06 18:56:13,670 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:13,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:13,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:13,677 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:13,677 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:13,679 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:13,679 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:13,686 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:13,692 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 18:56:13,692 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 18:56:13,692 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:13,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:13,693 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:13,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-12-06 18:56:13,694 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:13,702 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:13,702 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:13,702 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2021-12-06 18:56:13,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2021-12-06 18:56:13,723 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:13,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:13,741 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-12-06 18:56:13,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:13,753 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:56:13,753 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:13,753 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 18:56:13,754 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2021-12-06 18:56:13,754 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 32 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:13,778 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 32 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 53 transitions. Complement of second has 6 states. [2021-12-06 18:56:13,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:56:13,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:13,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 33 transitions. [2021-12-06 18:56:13,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 33 transitions. Stem has 4 letters. Loop has 1 letters. [2021-12-06 18:56:13,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:13,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 33 transitions. Stem has 5 letters. Loop has 1 letters. [2021-12-06 18:56:13,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:13,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 33 transitions. Stem has 4 letters. Loop has 2 letters. [2021-12-06 18:56:13,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:13,780 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 53 transitions. [2021-12-06 18:56:13,781 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2021-12-06 18:56:13,782 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 33 states and 42 transitions. [2021-12-06 18:56:13,782 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2021-12-06 18:56:13,782 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-12-06 18:56:13,782 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 42 transitions. [2021-12-06 18:56:13,782 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:13,782 INFO L681 BuchiCegarLoop]: Abstraction has 33 states and 42 transitions. [2021-12-06 18:56:13,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 42 transitions. [2021-12-06 18:56:13,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2021-12-06 18:56:13,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 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 18:56:13,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-12-06 18:56:13,784 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-06 18:56:13,784 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-12-06 18:56:13,785 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-12-06 18:56:13,785 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2021-12-06 18:56:13,785 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:56:13,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:13,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:13,786 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:13,786 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:56:13,786 INFO L791 eck$LassoCheckResult]: Stem: 324#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 312#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 313#L50 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 314#L27 assume !!(f_~k~0#1 <= 1073741823); 303#L30-2 assume !(f_~z~0#1 < f_~k~0#1); 304#L30-3 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 320#L18 assume !(0 == __VERIFIER_assert_~cond#1); 317#L18-2 assume { :end_inline___VERIFIER_assert } true; 318#L32 assume !!(f_~x~0#1 <= 1000000 && f_~x~0#1 >= -1000000); 325#L34 assume !!(f_~y~0#1 <= 1000000 && f_~y~0#1 >= -1000000); 321#L35 assume !!(f_~k~0#1 <= 1000000 && f_~k~0#1 >= -1000000); 322#L38-2 [2021-12-06 18:56:13,786 INFO L793 eck$LassoCheckResult]: Loop: 322#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 326#L38 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 322#L38-2 [2021-12-06 18:56:13,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:13,786 INFO L85 PathProgramCache]: Analyzing trace with hash 791741115, now seen corresponding path program 1 times [2021-12-06 18:56:13,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:13,786 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665562467] [2021-12-06 18:56:13,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:13,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:13,803 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:13,818 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:13,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:13,819 INFO L85 PathProgramCache]: Analyzing trace with hash 2856, now seen corresponding path program 1 times [2021-12-06 18:56:13,819 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:13,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240134954] [2021-12-06 18:56:13,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:13,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:13,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:13,823 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:13,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:13,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2021-12-06 18:56:13,827 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:13,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:13,827 INFO L85 PathProgramCache]: Analyzing trace with hash 654002018, now seen corresponding path program 1 times [2021-12-06 18:56:13,827 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:13,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214732590] [2021-12-06 18:56:13,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:13,828 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:13,837 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:13,846 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:14,000 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:14,000 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:14,000 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:14,000 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:14,000 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:14,000 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,000 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:14,000 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:14,000 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration3_Lasso [2021-12-06 18:56:14,000 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:14,000 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:14,002 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 18:56:14,003 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 18:56:14,008 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 18:56:14,009 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 18:56:14,010 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,011 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,012 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,015 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,019 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,022 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,025 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 18:56:14,026 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,027 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,028 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,031 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,033 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,040 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:14,146 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:14,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:14,147 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,147 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-12-06 18:56:14,148 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,155 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,155 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,155 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,156 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,156 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,189 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2021-12-06 18:56:14,190 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,190 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-12-06 18:56:14,192 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 18:56:14,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,221 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2021-12-06 18:56:14,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,222 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-12-06 18:56:14,223 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:14,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2021-12-06 18:56:14,254 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,254 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-12-06 18:56:14,256 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:14,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,264 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:14,264 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:14,265 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2021-12-06 18:56:14,283 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,283 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-12-06 18:56:14,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,291 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,291 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,292 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,292 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2021-12-06 18:56:14,313 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,314 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-12-06 18:56:14,316 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:14,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:14,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:14,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:14,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:14,343 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,343 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-12-06 18:56:14,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,351 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,351 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:14,351 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,351 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,351 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,352 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:14,352 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:14,353 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:14,370 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,371 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,372 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-12-06 18:56:14,372 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,383 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2021-12-06 18:56:14,401 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,402 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-12-06 18:56:14,403 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,410 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,410 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,410 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,411 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,411 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,413 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-12-06 18:56:14,431 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,432 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-12-06 18:56:14,433 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 18:56:14,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,441 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,441 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,444 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,461 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2021-12-06 18:56:14,462 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,462 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-12-06 18:56:14,464 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,472 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,472 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,475 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,493 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-12-06 18:56:14,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,494 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-12-06 18:56:14,496 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,505 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,505 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,508 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,526 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-12-06 18:56:14,526 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,527 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-12-06 18:56:14,528 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,535 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:14,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:14,536 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:14,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:14,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,556 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-12-06 18:56:14,557 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:14,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:14,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:14,566 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:14,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2021-12-06 18:56:14,593 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,594 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-12-06 18:56:14,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:14,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:14,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,602 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,602 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:14,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:14,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-12-06 18:56:14,622 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,622 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-12-06 18:56:14,624 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:14,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,635 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:14,635 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:14,636 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2021-12-06 18:56:14,654 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,655 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-12-06 18:56:14,656 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:14,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,664 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,664 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:14,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-12-06 18:56:14,685 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,686 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-12-06 18:56:14,687 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:14,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:14,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:14,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:14,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:14,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:14,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:14,702 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:14,708 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 18:56:14,709 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-12-06 18:56:14,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:14,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:14,710 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:14,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-12-06 18:56:14,711 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:14,718 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:14,718 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:14,719 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2021-12-06 18:56:14,737 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:14,739 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:14,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:14,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:56:14,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:14,777 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-12-06 18:56:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:14,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:56:14,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:14,840 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 18:56:14,840 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:56:14,841 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:14,864 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 34 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 42 transitions. Complement of second has 6 states. [2021-12-06 18:56:14,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:56:14,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2021-12-06 18:56:14,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-06 18:56:14,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:14,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 13 letters. Loop has 2 letters. [2021-12-06 18:56:14,866 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:14,866 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 11 letters. Loop has 4 letters. [2021-12-06 18:56:14,867 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:14,867 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 42 transitions. [2021-12-06 18:56:14,868 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:56:14,869 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 32 states and 41 transitions. [2021-12-06 18:56:14,869 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-12-06 18:56:14,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-12-06 18:56:14,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 41 transitions. [2021-12-06 18:56:14,870 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:56:14,870 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-12-06 18:56:14,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 41 transitions. [2021-12-06 18:56:14,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2021-12-06 18:56:14,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 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 18:56:14,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-12-06 18:56:14,872 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-06 18:56:14,872 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-12-06 18:56:14,872 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-12-06 18:56:14,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-12-06 18:56:14,873 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:56:14,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:14,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:14,873 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:14,873 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:56:14,873 INFO L791 eck$LassoCheckResult]: Stem: 460#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 447#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 448#L50 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 450#L27-1 assume !!(f_~k~0#1 <= 1073741823); 466#L30-6 assume !(f_~z~0#1 < f_~k~0#1); 467#L30-7 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 454#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 443#L18-5 assume { :end_inline___VERIFIER_assert } true; 444#L32-1 assume !!(f_~x~0#1 <= 1000000 && f_~x~0#1 >= -1000000); 446#L34-2 assume !!(f_~y~0#1 <= 1000000 && f_~y~0#1 >= -1000000); 451#L35-2 assume !!(f_~k~0#1 <= 1000000 && f_~k~0#1 >= -1000000); 441#L38-5 [2021-12-06 18:56:14,874 INFO L793 eck$LassoCheckResult]: Loop: 441#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 442#L38-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 441#L38-5 [2021-12-06 18:56:14,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:14,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1371676417, now seen corresponding path program 1 times [2021-12-06 18:56:14,874 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:14,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633239990] [2021-12-06 18:56:14,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:14,874 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:14,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:14,882 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:14,890 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:14,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:14,891 INFO L85 PathProgramCache]: Analyzing trace with hash 5032, now seen corresponding path program 1 times [2021-12-06 18:56:14,891 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:14,891 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309341775] [2021-12-06 18:56:14,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:14,891 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:14,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:14,895 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:14,898 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:14,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:14,898 INFO L85 PathProgramCache]: Analyzing trace with hash 373927206, now seen corresponding path program 1 times [2021-12-06 18:56:14,898 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:14,898 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780734775] [2021-12-06 18:56:14,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:14,899 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:14,907 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:14,917 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:15,054 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:15,054 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:15,055 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:15,055 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:15,055 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:15,055 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,055 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:15,055 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:15,055 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration4_Lasso [2021-12-06 18:56:15,055 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:15,055 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:15,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,058 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,063 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,073 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,080 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,081 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,187 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:15,187 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:15,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,188 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-12-06 18:56:15,191 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:15,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:15,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:15,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:15,200 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,218 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-12-06 18:56:15,218 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,219 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-12-06 18:56:15,220 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 18:56:15,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,228 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:15,228 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:15,231 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:15,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,250 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-12-06 18:56:15,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:15,258 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,258 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,258 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:15,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:15,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,279 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-12-06 18:56:15,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,280 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-12-06 18:56:15,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:15,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,289 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:15,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,289 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:15,289 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:15,290 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2021-12-06 18:56:15,308 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,309 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-12-06 18:56:15,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:15,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:15,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,319 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:15,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:15,321 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2021-12-06 18:56:15,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,339 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-12-06 18:56:15,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:15,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:15,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:15,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:15,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-12-06 18:56:15,366 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,367 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-12-06 18:56:15,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:15,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,375 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:15,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:15,378 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-12-06 18:56:15,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,397 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-12-06 18:56:15,398 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:15,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,405 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,405 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:15,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:15,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-12-06 18:56:15,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,428 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-12-06 18:56:15,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:15,437 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,437 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,437 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,437 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:15,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:15,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:15,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-12-06 18:56:15,459 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,459 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-12-06 18:56:15,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:15,467 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:15,467 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:15,467 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:15,467 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:15,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:15,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:15,474 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:15,481 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-06 18:56:15,481 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2021-12-06 18:56:15,481 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,482 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-12-06 18:56:15,482 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:15,490 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:15,490 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:15,491 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2021-12-06 18:56:15,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2021-12-06 18:56:15,512 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:15,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:15,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:15,527 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:56:15,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:15,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:56:15,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:15,585 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 18:56:15,585 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:56:15,585 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:15,593 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-12-06 18:56:15,605 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 37 states and 48 transitions. Complement of second has 6 states. [2021-12-06 18:56:15,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:56:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 29 transitions. [2021-12-06 18:56:15,606 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 11 letters. Loop has 2 letters. [2021-12-06 18:56:15,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:15,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 13 letters. Loop has 2 letters. [2021-12-06 18:56:15,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:15,607 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 29 transitions. Stem has 11 letters. Loop has 4 letters. [2021-12-06 18:56:15,607 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:15,607 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2021-12-06 18:56:15,608 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:56:15,608 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 36 states and 47 transitions. [2021-12-06 18:56:15,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-06 18:56:15,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-06 18:56:15,609 INFO L73 IsDeterministic]: Start isDeterministic. Operand 36 states and 47 transitions. [2021-12-06 18:56:15,609 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:56:15,609 INFO L681 BuchiCegarLoop]: Abstraction has 36 states and 47 transitions. [2021-12-06 18:56:15,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states and 47 transitions. [2021-12-06 18:56:15,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2021-12-06 18:56:15,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 34 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:15,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 46 transitions. [2021-12-06 18:56:15,611 INFO L704 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-12-06 18:56:15,611 INFO L587 BuchiCegarLoop]: Abstraction has 35 states and 46 transitions. [2021-12-06 18:56:15,611 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-12-06 18:56:15,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 35 states and 46 transitions. [2021-12-06 18:56:15,612 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-12-06 18:56:15,612 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:15,612 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:15,612 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:15,612 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:56:15,612 INFO L791 eck$LassoCheckResult]: Stem: 607#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 593#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 594#L50 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 595#L27 assume !!(f_~k~0#1 <= 1073741823); 581#L30-2 assume !(f_~z~0#1 < f_~k~0#1); 582#L30-3 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 602#L18 assume !(0 == __VERIFIER_assert_~cond#1); 598#L18-2 assume { :end_inline___VERIFIER_assert } true; 599#L32 assume !!(f_~x~0#1 <= 1000000 && f_~x~0#1 >= -1000000); 608#L34 assume !!(f_~y~0#1 <= 1000000 && f_~y~0#1 >= -1000000); 603#L35 assume !!(f_~k~0#1 <= 1000000 && f_~k~0#1 >= -1000000); 604#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 612#L38 assume 0 != f_~c~0#1 % 256; 605#L39 [2021-12-06 18:56:15,613 INFO L793 eck$LassoCheckResult]: Loop: 605#L39 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet5#1 % 256;havoc f_#t~nondet5#1;f_~z~0#1 := f_~z~0#1 - 1; 606#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 609#L38 assume 0 != f_~c~0#1 % 256; 605#L39 [2021-12-06 18:56:15,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:15,613 INFO L85 PathProgramCache]: Analyzing trace with hash 654002014, now seen corresponding path program 1 times [2021-12-06 18:56:15,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:15,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [635877322] [2021-12-06 18:56:15,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:15,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:15,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:15,619 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:15,626 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:15,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:15,626 INFO L85 PathProgramCache]: Analyzing trace with hash 93186, now seen corresponding path program 1 times [2021-12-06 18:56:15,626 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:15,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714438713] [2021-12-06 18:56:15,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:15,626 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:15,629 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:15,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:15,632 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:15,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:15,633 INFO L85 PathProgramCache]: Analyzing trace with hash 1402407813, now seen corresponding path program 1 times [2021-12-06 18:56:15,633 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:15,633 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394533029] [2021-12-06 18:56:15,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:15,633 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:15,639 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:15,647 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:15,682 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:15,683 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:15,683 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:15,683 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:15,683 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:56:15,683 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,683 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:15,683 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:15,683 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Loop [2021-12-06 18:56:15,683 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:15,683 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:15,684 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,688 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,691 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:15,736 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:15,736 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:56:15,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,738 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-12-06 18:56:15,739 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:56:15,739 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:15,757 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:56:15,757 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:56:15,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-12-06 18:56:15,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,783 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-12-06 18:56:15,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:56:15,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:15,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-12-06 18:56:15,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,810 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-12-06 18:56:15,811 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:56:15,811 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:15,832 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:56:15,832 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-1}, {ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2021-12-06 18:56:15,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:15,850 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,851 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-12-06 18:56:15,852 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:56:15,852 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:15,870 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:56:15,870 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=121, ULTIMATE.start_f_#t~nondet5#1=-135} Honda state: {ULTIMATE.start_f_~y~0#1=121, ULTIMATE.start_f_#t~nondet5#1=-135} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:56:15,888 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-12-06 18:56:15,888 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:15,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:15,889 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:15,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-12-06 18:56:15,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:56:15,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:15,907 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:56:15,907 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0#1=33, ULTIMATE.start_f_#t~nondet4#1=33} Honda state: {ULTIMATE.start_f_~c~0#1=33, ULTIMATE.start_f_#t~nondet4#1=33} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:56:15,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2021-12-06 18:56:16,065 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:16,065 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:16,065 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:16,065 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:16,065 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:16,065 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,066 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:16,066 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:16,066 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Lasso [2021-12-06 18:56:16,066 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:16,066 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:16,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,077 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,079 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,083 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,088 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,099 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,101 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,109 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:16,232 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:16,232 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:16,232 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,233 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-12-06 18:56:16,234 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,241 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,241 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,241 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,241 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,243 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,243 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2021-12-06 18:56:16,264 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,265 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,265 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-12-06 18:56:16,266 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,273 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:16,295 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,296 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-12-06 18:56:16,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:16,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,338 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2021-12-06 18:56:16,338 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,339 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-12-06 18:56:16,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:16,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,348 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,348 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-12-06 18:56:16,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,370 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-12-06 18:56:16,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:16,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:16,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:16,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-12-06 18:56:16,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,398 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-12-06 18:56:16,400 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,407 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:16,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:16,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:16,408 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-12-06 18:56:16,426 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,427 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-12-06 18:56:16,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:16,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:16,457 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,458 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-12-06 18:56:16,458 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,467 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,467 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-12-06 18:56:16,487 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,488 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-12-06 18:56:16,489 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 18:56:16,496 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,496 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,496 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,501 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,501 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,504 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,522 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2021-12-06 18:56:16,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,522 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-12-06 18:56:16,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,533 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,537 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,555 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2021-12-06 18:56:16,555 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,555 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-12-06 18:56:16,556 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:16,563 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,563 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:16,563 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,564 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:16,564 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:16,565 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-12-06 18:56:16,583 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,583 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-12-06 18:56:16,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:16,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,593 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,598 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,616 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:16,616 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,617 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-12-06 18:56:16,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-12-06 18:56:16,646 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,647 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-12-06 18:56:16,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-12-06 18:56:16,677 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,677 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-12-06 18:56:16,679 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,685 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,686 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,686 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,686 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,686 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,686 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,689 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-12-06 18:56:16,707 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,708 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-12-06 18:56:16,709 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:16,716 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:16,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,717 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,717 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,717 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:16,717 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:16,719 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,737 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-12-06 18:56:16,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,737 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-12-06 18:56:16,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:16,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:16,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:16,768 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,768 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-12-06 18:56:16,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:16,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:16,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:16,777 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:16,777 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:16,779 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:16,779 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:16,784 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:16,788 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-12-06 18:56:16,788 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-12-06 18:56:16,789 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:16,789 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:16,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-12-06 18:56:16,790 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:16,799 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:16,799 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:16,799 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~d#1, ULTIMATE.start_f_~x~0#1) = -1*ULTIMATE.start_f_~d#1 + 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2021-12-06 18:56:16,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2021-12-06 18:56:16,821 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:16,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:16,838 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:56:16,838 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:16,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:16,887 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:56:16,888 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:16,909 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 18:56:16,909 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 18:56:16,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 35 states and 46 transitions. cyclomatic complexity: 17 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 18:56:16,933 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 35 states and 46 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 45 states and 59 transitions. Complement of second has 7 states. [2021-12-06 18:56:16,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 18:56:16,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:16,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-12-06 18:56:16,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 13 letters. Loop has 3 letters. [2021-12-06 18:56:16,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:16,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 16 letters. Loop has 3 letters. [2021-12-06 18:56:16,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:16,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 13 letters. Loop has 6 letters. [2021-12-06 18:56:16,935 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:16,935 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 45 states and 59 transitions. [2021-12-06 18:56:16,936 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 18:56:16,936 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 45 states to 41 states and 54 transitions. [2021-12-06 18:56:16,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-06 18:56:16,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-06 18:56:16,936 INFO L73 IsDeterministic]: Start isDeterministic. Operand 41 states and 54 transitions. [2021-12-06 18:56:16,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:56:16,937 INFO L681 BuchiCegarLoop]: Abstraction has 41 states and 54 transitions. [2021-12-06 18:56:16,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states and 54 transitions. [2021-12-06 18:56:16,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 40. [2021-12-06 18:56:16,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40 states, 40 states have (on average 1.325) internal successors, (53), 39 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:16,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 53 transitions. [2021-12-06 18:56:16,939 INFO L704 BuchiCegarLoop]: Abstraction has 40 states and 53 transitions. [2021-12-06 18:56:16,939 INFO L587 BuchiCegarLoop]: Abstraction has 40 states and 53 transitions. [2021-12-06 18:56:16,939 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-12-06 18:56:16,939 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 40 states and 53 transitions. [2021-12-06 18:56:16,939 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-12-06 18:56:16,939 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:16,939 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:16,940 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:16,940 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 18:56:16,940 INFO L791 eck$LassoCheckResult]: Stem: 775#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 760#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 761#L50 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 763#L27-1 assume !!(f_~k~0#1 <= 1073741823); 780#L30-6 assume !(f_~z~0#1 < f_~k~0#1); 781#L30-7 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 767#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 756#L18-5 assume { :end_inline___VERIFIER_assert } true; 757#L32-1 assume !!(f_~x~0#1 <= 1000000 && f_~x~0#1 >= -1000000); 759#L34-2 assume !!(f_~y~0#1 <= 1000000 && f_~y~0#1 >= -1000000); 764#L35-2 assume !!(f_~k~0#1 <= 1000000 && f_~k~0#1 >= -1000000); 768#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 755#L38-3 assume 0 != f_~c~0#1 % 256; 758#L39-1 [2021-12-06 18:56:16,940 INFO L793 eck$LassoCheckResult]: Loop: 758#L39-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet5#1 % 256;havoc f_#t~nondet5#1;f_~z~0#1 := f_~z~0#1 - 1; 751#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 752#L38-3 assume 0 != f_~c~0#1 % 256; 758#L39-1 [2021-12-06 18:56:16,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:16,940 INFO L85 PathProgramCache]: Analyzing trace with hash 373927202, now seen corresponding path program 1 times [2021-12-06 18:56:16,940 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:16,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805227128] [2021-12-06 18:56:16,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:16,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:16,945 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:16,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:16,950 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:16,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:16,951 INFO L85 PathProgramCache]: Analyzing trace with hash 160710, now seen corresponding path program 1 times [2021-12-06 18:56:16,951 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:16,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135435800] [2021-12-06 18:56:16,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:16,951 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:16,953 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:16,956 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:16,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:16,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1479760123, now seen corresponding path program 1 times [2021-12-06 18:56:16,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:16,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852840264] [2021-12-06 18:56:16,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:16,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:16,962 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:16,969 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:16,994 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:16,994 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:16,994 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:16,994 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:16,994 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 18:56:16,994 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:16,995 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:16,995 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:16,995 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Loop [2021-12-06 18:56:16,995 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:16,995 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:16,995 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 18:56:16,998 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 18:56:17,000 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 18:56:17,003 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 18:56:17,046 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:17,046 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 18:56:17,046 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,047 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-12-06 18:56:17,048 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:56:17,048 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:17,065 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:56:17,065 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=255, ULTIMATE.start_f_#t~nondet5#1=255} Honda state: {ULTIMATE.start_f_~y~0#1=255, ULTIMATE.start_f_#t~nondet5#1=255} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:56:17,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-12-06 18:56:17,083 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,083 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-12-06 18:56:17,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:56:17,085 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:17,102 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:56:17,102 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0#1=152, ULTIMATE.start_f_#t~nondet4#1=152} Honda state: {ULTIMATE.start_f_~c~0#1=152, ULTIMATE.start_f_#t~nondet4#1=152} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:56:17,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-12-06 18:56:17,120 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,120 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,121 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-12-06 18:56:17,122 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:56:17,122 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:17,135 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:56:17,135 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-12-06 18:56:17,153 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-12-06 18:56:17,153 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,154 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-12-06 18:56:17,156 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 18:56:17,156 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:17,181 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Ended with exit code 0 [2021-12-06 18:56:17,182 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,182 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-12-06 18:56:17,184 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 18:56:17,184 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 18:56:17,204 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 18:56:17,204 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-1}, {ULTIMATE.start_f_~z~0#1=0}, {ULTIMATE.start_f_~z~0#1=0}] Lambdas: [1, 6, 0] Nus: [1, 1] [2021-12-06 18:56:17,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:17,348 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:17,348 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:17,348 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:17,348 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:17,348 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:17,348 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,348 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:17,348 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:17,348 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Lasso [2021-12-06 18:56:17,348 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:17,348 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:17,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,351 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,356 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,358 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,367 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,368 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 18:56:17,372 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 18:56:17,373 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 18:56:17,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,377 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 18:56:17,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:17,381 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 18:56:17,382 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 18:56:17,409 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2021-12-06 18:56:17,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:17,529 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:17,529 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,529 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-12-06 18:56:17,530 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:17,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:17,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:17,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:17,537 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:17,538 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:17,538 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:17,540 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:17,558 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-12-06 18:56:17,558 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,559 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-12-06 18:56:17,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:17,567 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:17,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:17,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:17,568 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:17,569 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:17,569 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:17,572 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:17,590 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-12-06 18:56:17,590 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,591 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-12-06 18:56:17,592 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 18:56:17,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:17,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:17,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:17,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:17,600 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:17,600 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:17,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:17,621 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-12-06 18:56:17,621 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,622 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-12-06 18:56:17,623 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:17,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:17,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:17,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:17,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:17,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:17,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:17,630 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:17,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:17,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2021-12-06 18:56:17,649 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,650 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-12-06 18:56:17,651 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 18:56:17,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:17,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:17,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:17,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:17,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:17,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:17,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:17,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:17,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-12-06 18:56:17,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,679 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-12-06 18:56:17,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:17,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:17,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:17,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:17,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:17,688 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:17,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:17,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:17,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-12-06 18:56:17,709 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,709 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-12-06 18:56:17,711 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:17,718 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:17,718 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:17,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:17,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:17,720 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:17,720 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:17,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:17,740 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-12-06 18:56:17,740 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,741 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-12-06 18:56:17,742 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:17,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:17,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:17,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:17,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:17,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:17,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:17,757 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:17,760 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-12-06 18:56:17,760 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 18:56:17,760 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:17,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:17,761 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:17,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-12-06 18:56:17,762 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:17,769 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2021-12-06 18:56:17,770 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:17,770 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0#1) = 1*ULTIMATE.start_f_~x~0#1 + 1 Supporting invariants [1*ULTIMATE.start_f_~x~0#1 >= 0, 1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2021-12-06 18:56:17,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-12-06 18:56:17,793 INFO L297 tatePredicateManager]: 2 out of 3 supporting invariants were superfluous and have been removed [2021-12-06 18:56:17,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:17,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:56:17,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:17,859 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:56:17,859 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:17,876 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 18:56:17,877 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2021-12-06 18:56:17,877 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 40 states and 53 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 18:56:17,898 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 40 states and 53 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) Result 50 states and 66 transitions. Complement of second has 7 states. [2021-12-06 18:56:17,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2021-12-06 18:56:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:17,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 37 transitions. [2021-12-06 18:56:17,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 13 letters. Loop has 3 letters. [2021-12-06 18:56:17,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:17,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 16 letters. Loop has 3 letters. [2021-12-06 18:56:17,899 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:17,899 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 37 transitions. Stem has 13 letters. Loop has 6 letters. [2021-12-06 18:56:17,900 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:17,900 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 50 states and 66 transitions. [2021-12-06 18:56:17,900 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:56:17,901 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 50 states to 46 states and 61 transitions. [2021-12-06 18:56:17,901 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-12-06 18:56:17,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2021-12-06 18:56:17,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 61 transitions. [2021-12-06 18:56:17,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:56:17,901 INFO L681 BuchiCegarLoop]: Abstraction has 46 states and 61 transitions. [2021-12-06 18:56:17,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 61 transitions. [2021-12-06 18:56:17,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2021-12-06 18:56:17,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 44 states have internal predecessors, (60), 0 states have call successors, (0), 0 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 18:56:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 60 transitions. [2021-12-06 18:56:17,903 INFO L704 BuchiCegarLoop]: Abstraction has 45 states and 60 transitions. [2021-12-06 18:56:17,903 INFO L587 BuchiCegarLoop]: Abstraction has 45 states and 60 transitions. [2021-12-06 18:56:17,903 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-12-06 18:56:17,904 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 60 transitions. [2021-12-06 18:56:17,904 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:56:17,904 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:17,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:17,904 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:17,904 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:56:17,905 INFO L791 eck$LassoCheckResult]: Stem: 956#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 941#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 942#L50 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 943#L27 assume !!(f_~k~0#1 <= 1073741823); 929#L30-2 assume !(f_~z~0#1 < f_~k~0#1); 930#L30-3 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 950#L18 assume !(0 == __VERIFIER_assert_~cond#1); 946#L18-2 assume { :end_inline___VERIFIER_assert } true; 947#L32 assume !!(f_~x~0#1 <= 1000000 && f_~x~0#1 >= -1000000); 959#L34 assume !!(f_~y~0#1 <= 1000000 && f_~y~0#1 >= -1000000); 954#L35 assume !!(f_~k~0#1 <= 1000000 && f_~k~0#1 >= -1000000); 955#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 967#L38 assume 0 != f_~c~0#1 % 256; 951#L39 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet5#1 % 256;havoc f_#t~nondet5#1;f_~z~0#1 := f_~z~0#1 - 1; 952#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 973#L38 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 960#L38-2 [2021-12-06 18:56:17,905 INFO L793 eck$LassoCheckResult]: Loop: 960#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 961#L38 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 960#L38-2 [2021-12-06 18:56:17,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:17,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1402407817, now seen corresponding path program 1 times [2021-12-06 18:56:17,905 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:17,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115860574] [2021-12-06 18:56:17,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:17,905 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:17,911 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:17,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:17,917 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:17,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:17,918 INFO L85 PathProgramCache]: Analyzing trace with hash 2856, now seen corresponding path program 2 times [2021-12-06 18:56:17,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:17,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292458633] [2021-12-06 18:56:17,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:17,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:17,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:17,920 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:17,922 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:17,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:17,922 INFO L85 PathProgramCache]: Analyzing trace with hash -905816912, now seen corresponding path program 2 times [2021-12-06 18:56:17,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:17,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571312492] [2021-12-06 18:56:17,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:17,922 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:17,928 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:17,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:18,160 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-12-06 18:56:18,169 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:18,169 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:18,169 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:18,169 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:18,169 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:18,169 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:18,169 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:18,169 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:18,169 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration7_Lasso [2021-12-06 18:56:18,169 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:18,169 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:18,171 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,175 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,185 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,192 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,197 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,213 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,340 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:18,340 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:18,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:18,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:18,341 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:18,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-12-06 18:56:18,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:18,348 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:18,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:18,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:18,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:18,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:18,349 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:18,349 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:18,350 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:18,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-12-06 18:56:18,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:18,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:18,369 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:18,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-12-06 18:56:18,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:18,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:18,377 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:18,377 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:18,377 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:18,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:18,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:18,378 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:18,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:18,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-12-06 18:56:18,396 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:18,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:18,397 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:18,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-12-06 18:56:18,399 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:18,405 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:18,405 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:18,406 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:18,406 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:18,406 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:18,406 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:18,409 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:18,427 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-12-06 18:56:18,427 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:18,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:18,428 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:18,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-12-06 18:56:18,429 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 18:56:18,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:18,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:18,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:18,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:18,437 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:18,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:18,444 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:18,452 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-06 18:56:18,452 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-12-06 18:56:18,452 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:18,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:18,453 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:18,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-12-06 18:56:18,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:18,461 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:18,461 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:18,461 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2021-12-06 18:56:18,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2021-12-06 18:56:18,482 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:18,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:18,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2021-12-06 18:56:18,501 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:18,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:18,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 18:56:18,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:18,573 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 18:56:18,574 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-06 18:56:18,574 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 60 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:18,590 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 60 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 82 transitions. Complement of second has 6 states. [2021-12-06 18:56:18,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-06 18:56:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:18,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 33 transitions. [2021-12-06 18:56:18,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 33 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:56:18,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:18,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 33 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:56:18,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:18,592 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 33 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 18:56:18,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:18,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 82 transitions. [2021-12-06 18:56:18,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:56:18,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 55 states and 72 transitions. [2021-12-06 18:56:18,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-12-06 18:56:18,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-12-06 18:56:18,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 72 transitions. [2021-12-06 18:56:18,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:56:18,594 INFO L681 BuchiCegarLoop]: Abstraction has 55 states and 72 transitions. [2021-12-06 18:56:18,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 72 transitions. [2021-12-06 18:56:18,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2021-12-06 18:56:18,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.320754716981132) internal successors, (70), 52 states have internal predecessors, (70), 0 states have call successors, (0), 0 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 18:56:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 70 transitions. [2021-12-06 18:56:18,596 INFO L704 BuchiCegarLoop]: Abstraction has 53 states and 70 transitions. [2021-12-06 18:56:18,596 INFO L587 BuchiCegarLoop]: Abstraction has 53 states and 70 transitions. [2021-12-06 18:56:18,596 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-12-06 18:56:18,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 70 transitions. [2021-12-06 18:56:18,597 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:56:18,597 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:18,597 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:18,597 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:18,597 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:56:18,597 INFO L791 eck$LassoCheckResult]: Stem: 1155#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1142#L50 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 1144#L27-1 assume !!(f_~k~0#1 <= 1073741823); 1164#L30-6 assume !(f_~z~0#1 < f_~k~0#1); 1165#L30-7 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1148#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 1135#L18-5 assume { :end_inline___VERIFIER_assert } true; 1136#L32-1 assume !!(f_~x~0#1 <= 1000000 && f_~x~0#1 >= -1000000); 1140#L34-2 assume !!(f_~y~0#1 <= 1000000 && f_~y~0#1 >= -1000000); 1145#L35-2 assume !!(f_~k~0#1 <= 1000000 && f_~k~0#1 >= -1000000); 1130#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1132#L38-3 assume 0 != f_~c~0#1 % 256; 1156#L39-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet5#1 % 256;havoc f_#t~nondet5#1;f_~z~0#1 := f_~z~0#1 - 1; 1157#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1171#L38-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1138#L38-5 [2021-12-06 18:56:18,597 INFO L793 eck$LassoCheckResult]: Loop: 1138#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1137#L38-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1138#L38-5 [2021-12-06 18:56:18,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:18,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1479760119, now seen corresponding path program 1 times [2021-12-06 18:56:18,598 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:18,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008323485] [2021-12-06 18:56:18,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:18,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:18,603 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:18,608 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:18,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:18,609 INFO L85 PathProgramCache]: Analyzing trace with hash 5032, now seen corresponding path program 2 times [2021-12-06 18:56:18,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:18,609 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322210179] [2021-12-06 18:56:18,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:18,609 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:18,611 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:18,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:18,612 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:18,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:18,613 INFO L85 PathProgramCache]: Analyzing trace with hash -415295312, now seen corresponding path program 2 times [2021-12-06 18:56:18,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:18,613 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148723225] [2021-12-06 18:56:18,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:18,613 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:18,618 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:18,625 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:18,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-12-06 18:56:18,833 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:18,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:18,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:18,833 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:18,833 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:18,833 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:18,833 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:18,833 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:18,833 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration8_Lasso [2021-12-06 18:56:18,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:18,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:18,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,837 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,843 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,870 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,875 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:18,976 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:18,976 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:18,976 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:18,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:18,977 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:18,977 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-12-06 18:56:18,978 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:18,984 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:18,984 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:18,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:18,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:18,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:18,985 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:18,985 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:18,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,003 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-12-06 18:56:19,004 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,004 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-12-06 18:56:19,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:19,033 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,034 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-12-06 18:56:19,035 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 18:56:19,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,047 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-12-06 18:56:19,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,065 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-12-06 18:56:19,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,075 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,075 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:19,095 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,096 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-12-06 18:56:19,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:19,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:19,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:19,106 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-12-06 18:56:19,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,125 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-12-06 18:56:19,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,136 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,136 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,142 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:19,149 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-12-06 18:56:19,149 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-12-06 18:56:19,149 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,150 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-12-06 18:56:19,150 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:19,158 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:19,158 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:19,158 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [499999*ULTIMATE.start_f_~d#1 - 1*ULTIMATE.start_f_~x~0#1 >= 0] [2021-12-06 18:56:19,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-12-06 18:56:19,180 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:19,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:19,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:19,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:19,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:19,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:19,253 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:19,253 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:19,265 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 18:56:19,265 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 18:56:19,265 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 53 states and 70 transitions. cyclomatic complexity: 27 Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:19,308 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 53 states and 70 transitions. cyclomatic complexity: 27. Second operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 69 states and 91 transitions. Complement of second has 9 states. [2021-12-06 18:56:19,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:56:19,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.0) internal successors, (18), 6 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:56:19,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 37 transitions. [2021-12-06 18:56:19,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 16 letters. Loop has 2 letters. [2021-12-06 18:56:19,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:19,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:56:19,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:19,309 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 37 transitions. Stem has 16 letters. Loop has 4 letters. [2021-12-06 18:56:19,309 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:19,309 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 91 transitions. [2021-12-06 18:56:19,310 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:56:19,311 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 64 states and 84 transitions. [2021-12-06 18:56:19,311 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-12-06 18:56:19,311 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-12-06 18:56:19,311 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 84 transitions. [2021-12-06 18:56:19,311 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:56:19,311 INFO L681 BuchiCegarLoop]: Abstraction has 64 states and 84 transitions. [2021-12-06 18:56:19,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 84 transitions. [2021-12-06 18:56:19,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 61. [2021-12-06 18:56:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 61 states, 61 states have (on average 1.3114754098360655) internal successors, (80), 60 states have internal predecessors, (80), 0 states have call successors, (0), 0 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 18:56:19,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 80 transitions. [2021-12-06 18:56:19,314 INFO L704 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2021-12-06 18:56:19,314 INFO L587 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2021-12-06 18:56:19,314 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-12-06 18:56:19,314 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states and 80 transitions. [2021-12-06 18:56:19,314 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-12-06 18:56:19,314 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:19,314 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:19,315 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:19,315 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:56:19,315 INFO L791 eck$LassoCheckResult]: Stem: 1380#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1366#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1367#L50 assume 0 != main_~c~1#1 % 256;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 1368#L27 assume !!(f_~k~0#1 <= 1073741823); 1351#L30-2 assume !(f_~z~0#1 < f_~k~0#1); 1352#L30-3 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1374#L18 assume !(0 == __VERIFIER_assert_~cond#1); 1371#L18-2 assume { :end_inline___VERIFIER_assert } true; 1372#L32 assume !!(f_~x~0#1 <= 1000000 && f_~x~0#1 >= -1000000); 1384#L34 assume !!(f_~y~0#1 <= 1000000 && f_~y~0#1 >= -1000000); 1375#L35 assume !!(f_~k~0#1 <= 1000000 && f_~k~0#1 >= -1000000); 1376#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1399#L38 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1400#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1401#L38 assume 0 != f_~c~0#1 % 256; 1405#L39 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet5#1 % 256;havoc f_#t~nondet5#1;f_~z~0#1 := f_~z~0#1 - 1; 1404#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1402#L38 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1385#L38-2 [2021-12-06 18:56:19,315 INFO L793 eck$LassoCheckResult]: Loop: 1385#L38-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1386#L38 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1385#L38-2 [2021-12-06 18:56:19,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:19,315 INFO L85 PathProgramCache]: Analyzing trace with hash -795830462, now seen corresponding path program 3 times [2021-12-06 18:56:19,315 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:19,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115781132] [2021-12-06 18:56:19,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:19,315 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:19,320 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:19,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:19,326 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:19,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:19,327 INFO L85 PathProgramCache]: Analyzing trace with hash 2856, now seen corresponding path program 3 times [2021-12-06 18:56:19,327 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:19,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896965142] [2021-12-06 18:56:19,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:19,327 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:19,329 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:19,330 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:19,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:19,330 INFO L85 PathProgramCache]: Analyzing trace with hash -288893399, now seen corresponding path program 4 times [2021-12-06 18:56:19,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:19,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475002939] [2021-12-06 18:56:19,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:19,331 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:19,336 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:19,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:19,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-12-06 18:56:19,594 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:19,594 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:19,594 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:19,594 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:19,594 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:19,594 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,594 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:19,594 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:19,594 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration9_Lasso [2021-12-06 18:56:19,594 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:19,594 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:19,596 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 18:56:19,597 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 18:56:19,599 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 18:56:19,602 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 18:56:19,606 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 18:56:19,608 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 18:56:19,609 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 18:56:19,610 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 18:56:19,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,616 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,627 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,629 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,630 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:19,734 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:19,735 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:19,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,735 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-12-06 18:56:19,736 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,743 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:19,743 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,743 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,743 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,743 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:19,744 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:19,744 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-12-06 18:56:19,762 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,763 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-12-06 18:56:19,764 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 18:56:19,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2021-12-06 18:56:19,793 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,794 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,795 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-12-06 18:56:19,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:19,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,828 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-12-06 18:56:19,828 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,828 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-12-06 18:56:19,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,836 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,836 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,836 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-12-06 18:56:19,857 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,858 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-12-06 18:56:19,860 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:19,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,889 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2021-12-06 18:56:19,889 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,890 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-12-06 18:56:19,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:19,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Ended with exit code 0 [2021-12-06 18:56:19,921 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,922 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-12-06 18:56:19,924 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,931 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,931 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,931 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,931 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,932 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,932 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Ended with exit code 0 [2021-12-06 18:56:19,952 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,953 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-12-06 18:56:19,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,962 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:19,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,963 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:19,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:19,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:19,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2021-12-06 18:56:19,982 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:19,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:19,982 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:19,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-12-06 18:56:19,984 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:19,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:19,991 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:19,991 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:19,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:19,992 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:19,992 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:19,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:20,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,014 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-12-06 18:56:20,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:20,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,023 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:20,023 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:20,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2021-12-06 18:56:20,043 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,044 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-12-06 18:56:20,045 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:20,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,052 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,053 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:20,053 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:20,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:20,073 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,074 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-12-06 18:56:20,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:20,082 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,082 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:20,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,082 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,082 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:20,082 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:20,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,101 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Ended with exit code 0 [2021-12-06 18:56:20,101 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,102 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-12-06 18:56:20,103 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:20,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:20,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:20,113 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,131 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Ended with exit code 0 [2021-12-06 18:56:20,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,132 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-12-06 18:56:20,133 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 18:56:20,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:20,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:20,143 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:20,161 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,162 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-12-06 18:56:20,163 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 18:56:20,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:20,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:20,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-12-06 18:56:20,193 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,194 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-12-06 18:56:20,195 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:20,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:20,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:20,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:20,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2021-12-06 18:56:20,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,223 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-12-06 18:56:20,224 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:20,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:20,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:20,235 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2021-12-06 18:56:20,253 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,254 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-12-06 18:56:20,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:20,262 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,262 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:20,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,263 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,263 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,263 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:20,263 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:20,264 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-12-06 18:56:20,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,283 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-12-06 18:56:20,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:20,291 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,291 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:20,291 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,292 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:20,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:20,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Ended with exit code 0 [2021-12-06 18:56:20,311 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,312 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-12-06 18:56:20,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:20,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,321 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:20,321 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:20,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:20,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Ended with exit code 0 [2021-12-06 18:56:20,341 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,342 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-12-06 18:56:20,343 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 18:56:20,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:20,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:20,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:20,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:20,352 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:20,352 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:20,358 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:20,368 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 18:56:20,368 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-12-06 18:56:20,368 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:20,368 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:20,369 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:20,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-12-06 18:56:20,370 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:20,377 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:20,377 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:20,377 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [-1*ULTIMATE.start_f_~x~0#1 + 999999*ULTIMATE.start_f_~d#1 >= 0] [2021-12-06 18:56:20,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Ended with exit code 0 [2021-12-06 18:56:20,398 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:20,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:20,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:20,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:20,471 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Ended with exit code 0 [2021-12-06 18:56:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:20,487 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:20,487 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:20,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:56:20,499 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 18:56:20,499 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 31 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:20,540 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 31. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 67 states and 87 transitions. Complement of second has 9 states. [2021-12-06 18:56:20,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:56:20,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:20,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 41 transitions. [2021-12-06 18:56:20,541 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 41 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:56:20,541 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:20,541 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 18:56:20,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:20,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:20,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:20,620 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:20,620 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:20,633 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 18:56:20,633 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 18:56:20,633 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 31 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:20,675 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 31. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 67 states and 87 transitions. Complement of second has 9 states. [2021-12-06 18:56:20,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:56:20,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:20,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 41 transitions. [2021-12-06 18:56:20,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 41 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:56:20,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:20,676 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 18:56:20,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:20,695 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:20,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:20,769 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:20,770 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:20,784 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 18:56:20,784 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 18:56:20,784 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 31 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:20,828 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 61 states and 80 transitions. cyclomatic complexity: 31. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 68 states and 89 transitions. Complement of second has 8 states. [2021-12-06 18:56:20,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:56:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:20,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 43 transitions. [2021-12-06 18:56:20,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:56:20,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:20,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 20 letters. Loop has 2 letters. [2021-12-06 18:56:20,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:20,829 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 43 transitions. Stem has 18 letters. Loop has 4 letters. [2021-12-06 18:56:20,829 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:20,829 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 89 transitions. [2021-12-06 18:56:20,830 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:56:20,830 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 32 states and 41 transitions. [2021-12-06 18:56:20,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-12-06 18:56:20,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2021-12-06 18:56:20,830 INFO L73 IsDeterministic]: Start isDeterministic. Operand 32 states and 41 transitions. [2021-12-06 18:56:20,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-12-06 18:56:20,830 INFO L681 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-12-06 18:56:20,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states and 41 transitions. [2021-12-06 18:56:20,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2021-12-06 18:56:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.28125) internal successors, (41), 31 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 18:56:20,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 41 transitions. [2021-12-06 18:56:20,832 INFO L704 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-12-06 18:56:20,832 INFO L587 BuchiCegarLoop]: Abstraction has 32 states and 41 transitions. [2021-12-06 18:56:20,832 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-12-06 18:56:20,832 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 41 transitions. [2021-12-06 18:56:20,832 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-06 18:56:20,832 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:56:20,832 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:56:20,833 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 18:56:20,833 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-06 18:56:20,833 INFO L791 eck$LassoCheckResult]: Stem: 1885#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(11, 2); 1886#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_~c~1#1;main_~c~1#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 1902#L50 assume !(0 != main_~c~1#1 % 256);assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_#t~nondet5#1, f_~c~0#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~y~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~k~0#1 := f_#t~nondet3#1;havoc f_#t~nondet3#1;f_~z~0#1 := 1; 1903#L27-1 assume !!(f_~k~0#1 <= 1073741823); 1905#L30-6 assume !(f_~z~0#1 < f_~k~0#1); 1906#L30-7 assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if f_~z~0#1 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 1908#L18-3 assume !(0 == __VERIFIER_assert_~cond#1); 1896#L18-5 assume { :end_inline___VERIFIER_assert } true; 1897#L32-1 assume !!(f_~x~0#1 <= 1000000 && f_~x~0#1 >= -1000000); 1898#L34-2 assume !!(f_~y~0#1 <= 1000000 && f_~y~0#1 >= -1000000); 1904#L35-2 assume !!(f_~k~0#1 <= 1000000 && f_~k~0#1 >= -1000000); 1887#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1888#L38-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1916#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1910#L38-3 assume 0 != f_~c~0#1 % 256; 1911#L39-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet5#1 % 256;havoc f_#t~nondet5#1;f_~z~0#1 := f_~z~0#1 - 1; 1914#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1912#L38-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1893#L38-5 [2021-12-06 18:56:20,833 INFO L793 eck$LassoCheckResult]: Loop: 1893#L38-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0);f_~c~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1; 1892#L38-3 assume !(0 != f_~c~0#1 % 256);f_~y~0#1 := f_~y~0#1 - f_~d#1; 1893#L38-5 [2021-12-06 18:56:20,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:20,833 INFO L85 PathProgramCache]: Analyzing trace with hash -305308862, now seen corresponding path program 3 times [2021-12-06 18:56:20,833 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:20,833 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757587555] [2021-12-06 18:56:20,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:20,834 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:20,839 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:20,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:20,844 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:20,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:20,844 INFO L85 PathProgramCache]: Analyzing trace with hash 5032, now seen corresponding path program 3 times [2021-12-06 18:56:20,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:20,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693636667] [2021-12-06 18:56:20,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:20,845 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:20,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:20,846 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:20,848 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:20,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:20,848 INFO L85 PathProgramCache]: Analyzing trace with hash -1344036183, now seen corresponding path program 4 times [2021-12-06 18:56:20,848 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:56:20,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070922272] [2021-12-06 18:56:20,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:56:20,848 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:56:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:20,853 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:56:20,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:56:20,859 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:56:21,117 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:56:21,117 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:56:21,117 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:56:21,117 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:56:21,117 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:56:21,117 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:21,117 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:56:21,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:56:21,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration10_Lasso [2021-12-06 18:56:21,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:56:21,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:56:21,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,123 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,133 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,136 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,138 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,140 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:56:21,143 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 18:56:21,144 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 18:56:21,147 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 18:56:21,148 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 18:56:21,154 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 18:56:21,156 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 18:56:21,157 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 18:56:21,158 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 18:56:21,158 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 18:56:21,280 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:56:21,280 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:56:21,280 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:21,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:21,281 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:21,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-12-06 18:56:21,281 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:21,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:21,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:21,288 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:21,288 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:21,290 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:21,290 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:21,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:21,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Ended with exit code 0 [2021-12-06 18:56:21,310 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:21,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:21,310 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:21,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-12-06 18:56:21,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:21,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:21,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:21,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:21,319 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:21,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:21,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:21,322 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:21,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Ended with exit code 0 [2021-12-06 18:56:21,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:21,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:21,341 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:21,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-12-06 18:56:21,342 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:56:21,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:21,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:56:21,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:21,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:21,349 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:21,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:56:21,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:56:21,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:56:21,369 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Ended with exit code 0 [2021-12-06 18:56:21,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:21,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:21,370 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:21,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-12-06 18:56:21,371 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict 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 18:56:21,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:56:21,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:56:21,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:56:21,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:56:21,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:56:21,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:56:21,387 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:56:21,397 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-12-06 18:56:21,397 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-12-06 18:56:21,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:56:21,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:56:21,398 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:56:21,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-12-06 18:56:21,399 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:56:21,408 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-06 18:56:21,408 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:56:21,408 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [-1*ULTIMATE.start_f_~x~0#1 + 499999*ULTIMATE.start_f_~d#1 >= 0] [2021-12-06 18:56:21,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Ended with exit code 0 [2021-12-06 18:56:21,429 INFO L297 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2021-12-06 18:56:21,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:21,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:21,448 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:21,507 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:21,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:21,519 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 18:56:21,519 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 18:56:21,520 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:21,550 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 38 states and 48 transitions. Complement of second has 9 states. [2021-12-06 18:56:21,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:56:21,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:21,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-12-06 18:56:21,551 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:56:21,551 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:21,551 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 18:56:21,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:21,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:21,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:21,630 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:21,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:21,643 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 18:56:21,643 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 18:56:21,643 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:21,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 38 states and 48 transitions. Complement of second has 9 states. [2021-12-06 18:56:21,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:56:21,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:21,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 23 transitions. [2021-12-06 18:56:21,680 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 23 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:56:21,680 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:21,681 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-12-06 18:56:21,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:56:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:21,699 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:21,699 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-12-06 18:56:21,700 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:56:21,759 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-12-06 18:56:21,759 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:56:21,771 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 18:56:21,771 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2021-12-06 18:56:21,771 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:21,802 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 32 states and 41 transitions. cyclomatic complexity: 15. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 39 states and 50 transitions. Complement of second has 8 states. [2021-12-06 18:56:21,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 4 stem states 1 non-accepting loop states 2 accepting loop states [2021-12-06 18:56:21,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 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 18:56:21,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 25 transitions. [2021-12-06 18:56:21,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 25 transitions. Stem has 18 letters. Loop has 2 letters. [2021-12-06 18:56:21,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:21,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 25 transitions. Stem has 20 letters. Loop has 2 letters. [2021-12-06 18:56:21,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:21,803 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 25 transitions. Stem has 18 letters. Loop has 4 letters. [2021-12-06 18:56:21,803 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:56:21,803 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-12-06 18:56:21,804 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:56:21,804 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 0 states and 0 transitions. [2021-12-06 18:56:21,804 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 18:56:21,804 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 18:56:21,804 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 18:56:21,804 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:56:21,804 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:56:21,804 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:56:21,804 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:56:21,804 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-12-06 18:56:21,804 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:56:21,804 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:56:21,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 18:56:21,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 06:56:21 BoogieIcfgContainer [2021-12-06 18:56:21,809 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 18:56:21,809 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:56:21,809 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:56:21,809 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:56:21,810 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:56:11" (3/4) ... [2021-12-06 18:56:21,811 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:56:21,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:56:21,812 INFO L158 Benchmark]: Toolchain (without parser) took 10815.60ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 85.5MB in the beginning and 92.0MB in the end (delta: -6.5MB). Peak memory consumption was 18.1MB. Max. memory is 16.1GB. [2021-12-06 18:56:21,812 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:56:21,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 180.80ms. Allocated memory is still 115.3MB. Free memory was 85.3MB in the beginning and 75.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:56:21,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.18ms. Allocated memory is still 115.3MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:56:21,813 INFO L158 Benchmark]: Boogie Preprocessor took 22.09ms. Allocated memory is still 115.3MB. Free memory was 73.7MB in the beginning and 72.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:56:21,813 INFO L158 Benchmark]: RCFGBuilder took 221.35ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 61.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:56:21,813 INFO L158 Benchmark]: BuchiAutomizer took 10350.50ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 61.4MB in the beginning and 92.0MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:56:21,813 INFO L158 Benchmark]: Witness Printer took 2.27ms. Allocated memory is still 138.4MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:56:21,814 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 115.3MB. Free memory is still 93.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 180.80ms. Allocated memory is still 115.3MB. Free memory was 85.3MB in the beginning and 75.3MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.18ms. Allocated memory is still 115.3MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.09ms. Allocated memory is still 115.3MB. Free memory was 73.7MB in the beginning and 72.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 221.35ms. Allocated memory is still 115.3MB. Free memory was 72.5MB in the beginning and 61.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 10350.50ms. Allocated memory was 115.3MB in the beginning and 138.4MB in the end (delta: 23.1MB). Free memory was 61.4MB in the beginning and 92.0MB in the end (delta: -30.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.27ms. Allocated memory is still 138.4MB. Free memory is still 92.0MB. 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 10 terminating modules (0 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function k + -1 * z and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x + -1 * d and consists of 5 locations. One deterministic module has affine ranking function x + 1 and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 7 locations. One nondeterministic module has affine ranking function y and consists of 7 locations. One nondeterministic module has affine ranking function y and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 10.3s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 8.5s. Construction of modules took 0.1s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 21 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 61 states and ocurred in iteration 8. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 619 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 619 mSDsluCounter, 605 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 253 mSDsCounter, 100 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 258 IncrementalHoareTripleChecker+Invalid, 358 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 100 mSolverCounterUnsat, 352 mSDtfsCounter, 258 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital100 mio100 ax100 hnf100 lsp27 ukn99 mio100 lsp100 div300 bol100 ite100 ukn100 eq145 hnf47 smp87 dnf100 smp100 tf101 neg98 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 18:56:21,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a34f7788-4f84-4d14-9464-53484ef0c20a/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