./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/trex01-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be --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 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:24:01,444 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:24:01,447 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:24:01,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:24:01,488 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:24:01,489 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:24:01,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:24:01,494 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:24:01,496 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:24:01,497 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:24:01,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:24:01,500 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:24:01,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:24:01,507 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:24:01,509 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:24:01,513 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:24:01,516 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:24:01,519 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:24:01,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:24:01,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:24:01,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:24:01,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:24:01,530 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:24:01,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:24:01,535 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:24:01,535 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:24:01,540 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:24:01,541 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:24:01,542 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:24:01,543 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:24:01,543 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:24:01,544 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:24:01,545 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:24:01,546 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:24:01,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:24:01,548 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:24:01,549 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:24:01,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:24:01,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:24:01,550 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:24:01,551 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:24:01,557 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:24:01,610 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:24:01,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:24:01,610 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:24:01,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:24:01,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:24:01,612 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:24:01,612 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:24:01,612 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:24:01,613 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:24:01,613 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:24:01,613 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:24:01,613 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:24:01,613 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:24:01,614 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:24:01,614 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:24:01,614 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:24:01,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:24:01,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:24:01,615 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:24:01,615 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:24:01,615 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:24:01,615 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:24:01,615 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:24:01,616 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:24:01,616 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:24:01,616 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:24:01,616 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:24:01,616 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:24:01,617 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:24:01,617 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:24:01,617 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:24:01,617 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:24:01,618 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:24:01,618 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_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcd99b2df0924887988cb47edc94be4a868bdcbcd74e734872c50b1f1ade5738 [2021-10-21 19:24:01,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:24:01,944 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:24:01,946 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:24:01,948 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:24:01,949 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:24:01,950 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loops/trex01-2.i [2021-10-21 19:24:02,040 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/data/7cf18eecd/04da8106acab468ea905e9a6b7d0bd31/FLAG59209ef64 [2021-10-21 19:24:02,551 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:24:02,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/sv-benchmarks/c/loops/trex01-2.i [2021-10-21 19:24:02,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/data/7cf18eecd/04da8106acab468ea905e9a6b7d0bd31/FLAG59209ef64 [2021-10-21 19:24:02,925 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/data/7cf18eecd/04da8106acab468ea905e9a6b7d0bd31 [2021-10-21 19:24:02,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:24:02,932 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:24:02,946 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:24:02,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:24:02,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:24:02,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:24:02" (1/1) ... [2021-10-21 19:24:02,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a68e690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:02, skipping insertion in model container [2021-10-21 19:24:02,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:24:02" (1/1) ... [2021-10-21 19:24:02,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:24:02,975 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:24:03,147 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/sv-benchmarks/c/loops/trex01-2.i[895,908] [2021-10-21 19:24:03,159 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:24:03,168 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:24:03,180 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/sv-benchmarks/c/loops/trex01-2.i[895,908] [2021-10-21 19:24:03,186 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:24:03,199 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:24:03,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03 WrapperNode [2021-10-21 19:24:03,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:24:03,201 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:24:03,201 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:24:03,201 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:24:03,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:24:03,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:24:03,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:24:03,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:24:03,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,246 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,258 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:24:03,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:24:03,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:24:03,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:24:03,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (1/1) ... [2021-10-21 19:24:03,279 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:03,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:03,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:03,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:24:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:24:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:24:03,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:24:03,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:24:03,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:24:03,603 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-21 19:24:03,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:24:03 BoogieIcfgContainer [2021-10-21 19:24:03,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:24:03,605 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:24:03,605 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:24:03,608 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:24:03,609 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:24:03,609 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:24:02" (1/3) ... [2021-10-21 19:24:03,611 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a9ea646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:24:03, skipping insertion in model container [2021-10-21 19:24:03,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:24:03,611 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:24:03" (2/3) ... [2021-10-21 19:24:03,611 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3a9ea646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:24:03, skipping insertion in model container [2021-10-21 19:24:03,611 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:24:03,612 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:24:03" (3/3) ... [2021-10-21 19:24:03,613 INFO L389 chiAutomizerObserver]: Analyzing ICFG trex01-2.i [2021-10-21 19:24:03,656 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:24:03,656 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:24:03,656 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:24:03,656 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:24:03,656 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:24:03,657 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:24:03,657 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:24:03,657 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:24:03,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 29 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:03,691 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-21 19:24:03,691 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:03,691 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:03,697 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:24:03,697 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:24:03,697 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:24:03,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 29 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:03,701 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2021-10-21 19:24:03,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:03,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:03,701 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:24:03,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:24:03,708 INFO L791 eck$LassoCheckResult]: Stem: 17#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 8#L-1true havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 9#L50true assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 18#L27true assume !!(f_~k~0 <= 1073741823); 4#L30-2true [2021-10-21 19:24:03,709 INFO L793 eck$LassoCheckResult]: Loop: 4#L30-2true assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 4#L30-2true [2021-10-21 19:24:03,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:03,714 INFO L82 PathProgramCache]: Analyzing trace with hash 925609, now seen corresponding path program 1 times [2021-10-21 19:24:03,723 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:03,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873183877] [2021-10-21 19:24:03,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:03,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:03,820 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:03,901 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:03,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:03,921 INFO L82 PathProgramCache]: Analyzing trace with hash 51, now seen corresponding path program 1 times [2021-10-21 19:24:03,921 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:03,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948894991] [2021-10-21 19:24:03,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:03,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:03,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:03,930 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:03,935 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:03,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:03,937 INFO L82 PathProgramCache]: Analyzing trace with hash 28693899, now seen corresponding path program 1 times [2021-10-21 19:24:03,937 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:03,937 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416598775] [2021-10-21 19:24:03,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:03,938 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:03,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:03,969 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:03,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:04,517 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:04,517 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:04,517 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:04,518 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:04,518 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:04,518 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:04,518 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:04,518 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:04,518 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration1_Lasso [2021-10-21 19:24:04,519 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:04,519 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:04,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,601 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,604 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,611 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,614 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,625 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,628 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,631 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,634 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,643 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,646 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,654 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:04,919 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:04,923 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:04,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:04,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:04,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:04,932 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:04,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:04,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:04,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:04,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:04,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:04,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:04,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:04,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 19:24:04,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,002 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,004 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,006 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 [2021-10-21 19:24:05,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 19:24:05,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,025 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,025 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,055 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,091 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,092 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,093 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 19:24:05,100 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,136 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,172 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,174 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 19:24:05,177 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,185 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,185 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,185 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,212 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,252 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,254 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,262 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 19:24:05,271 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,272 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,272 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,300 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,337 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,338 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,348 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 19:24:05,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,417 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,432 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,436 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,436 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 19:24:05,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,491 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,492 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 19:24:05,494 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,501 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,501 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,501 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,501 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,504 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,504 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,524 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,543 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 19:24:05,543 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,543 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,544 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 19:24:05,546 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,580 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,604 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,605 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 19:24:05,609 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 [2021-10-21 19:24:05,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,619 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,619 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,643 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,676 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,676 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,677 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:05,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,697 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,698 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:05,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:05,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 19:24:05,720 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,747 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 19:24:05,748 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:05,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,755 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:05,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:05,763 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-10-21 19:24:05,782 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,783 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 19:24:05,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:05,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:05,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:05,800 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,819 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,820 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 19:24:05,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,831 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:05,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,832 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,832 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,832 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:05,832 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:05,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,861 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 19:24:05,863 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,870 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:05,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,871 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:05,871 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:05,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,917 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,917 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 19:24:05,920 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:05,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:05,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:05,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,960 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 19:24:05,961 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:05,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:05,968 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:05,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:05,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:05,972 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:05,972 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:05,976 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:05,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:05,995 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:05,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:05,997 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:05,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 19:24:05,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,008 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,008 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,061 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,062 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 19:24:06,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,076 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:06,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,077 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:06,077 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:06,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,107 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,107 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,108 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 19:24:06,110 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,117 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,130 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:06,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,184 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 19:24:06,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:06,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:06,194 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:06,194 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:06,194 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:06,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:06,198 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:06,213 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:06,225 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 19:24:06,226 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:24:06,227 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:06,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:06,253 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:06,254 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:06,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 19:24:06,285 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:06,285 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:06,286 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~z~0, ULTIMATE.start_f_~k~0) = -1*ULTIMATE.start_f_~z~0 + 1*ULTIMATE.start_f_~k~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2021-10-21 19:24:06,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:06,332 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:06,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:06,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:06,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:24:06,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:06,436 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:06,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:06,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:06,452 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 [2021-10-21 19:24:06,454 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 29 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:06,575 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 29 states, 28 states have (on average 1.75) internal successors, (49), 28 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 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 85 states and 129 transitions. Complement of second has 7 states. [2021-10-21 19:24:06,576 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 [2021-10-21 19:24:06,578 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) [2021-10-21 19:24:06,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 95 transitions. [2021-10-21 19:24:06,580 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 95 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-21 19:24:06,581 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:06,581 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 95 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 19:24:06,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:06,582 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 95 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 19:24:06,582 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:06,583 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 129 transitions. [2021-10-21 19:24:06,589 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2021-10-21 19:24:06,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 30 states and 38 transitions. [2021-10-21 19:24:06,594 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-21 19:24:06,595 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-21 19:24:06,595 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2021-10-21 19:24:06,596 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:24:06,596 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-21 19:24:06,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2021-10-21 19:24:06,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 24. [2021-10-21 19:24:06,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.25) internal successors, (30), 23 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:06,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 30 transitions. [2021-10-21 19:24:06,634 INFO L704 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-10-21 19:24:06,634 INFO L587 BuchiCegarLoop]: Abstraction has 24 states and 30 transitions. [2021-10-21 19:24:06,634 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:24:06,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 30 transitions. [2021-10-21 19:24:06,636 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2021-10-21 19:24:06,636 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:06,636 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:06,636 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-21 19:24:06,636 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-10-21 19:24:06,637 INFO L791 eck$LassoCheckResult]: Stem: 183#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 184#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 191#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 192#L27-1 assume !!(f_~k~0 <= 1073741823); 198#L30-6 [2021-10-21 19:24:06,637 INFO L793 eck$LassoCheckResult]: Loop: 198#L30-6 assume !!(f_~z~0 < f_~k~0);f_~z~0 := 2 * f_~z~0; 198#L30-6 [2021-10-21 19:24:06,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:06,638 INFO L82 PathProgramCache]: Analyzing trace with hash 927721, now seen corresponding path program 1 times [2021-10-21 19:24:06,638 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:06,638 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1533179095] [2021-10-21 19:24:06,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:06,638 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:06,661 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:06,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:06,691 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:06,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:06,692 INFO L82 PathProgramCache]: Analyzing trace with hash 117, now seen corresponding path program 1 times [2021-10-21 19:24:06,692 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:06,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322039945] [2021-10-21 19:24:06,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:06,693 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:06,696 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:06,713 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:06,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:06,714 INFO L82 PathProgramCache]: Analyzing trace with hash 28759437, now seen corresponding path program 1 times [2021-10-21 19:24:06,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:06,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933669820] [2021-10-21 19:24:06,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:06,714 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:06,732 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:06,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:06,747 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:06,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,049 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:07,049 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:07,050 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:07,050 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:07,050 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:07,050 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,050 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:07,050 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:07,050 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration2_Lasso [2021-10-21 19:24:07,050 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:07,050 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:07,053 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,062 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,064 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,069 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,072 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,074 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,076 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,147 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,154 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,157 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:07,358 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:07,358 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:07,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,361 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,363 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:07,373 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,373 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,373 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:07,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:07,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 19:24:07,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,428 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,430 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,438 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:07,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,439 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,439 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:07,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:07,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 19:24:07,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,498 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,500 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,502 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:07,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:07,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:07,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 19:24:07,536 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,570 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,571 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,574 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:07,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:07,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 19:24:07,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,635 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,640 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:07,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:07,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:07,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 19:24:07,658 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-10-21 19:24:07,677 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,678 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 19:24:07,682 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:07,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:07,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:07,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,711 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 19:24:07,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,720 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:07,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:07,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:07,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,762 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,762 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,764 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,767 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 19:24:07,774 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,774 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,774 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,775 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:07,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:07,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,837 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,840 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:07,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:07,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 19:24:07,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,893 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2021-10-21 19:24:07,893 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,894 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 19:24:07,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,904 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:07,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:07,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:07,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:07,949 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:07,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:07,951 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:07,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:07,962 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:07,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:07,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:07,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:07,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2021-10-21 19:24:07,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:07,965 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:07,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:08,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,024 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:08,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:08,025 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:08,033 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:08,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:08,042 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:08,042 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:08,042 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:08,044 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:08,044 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:08,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2021-10-21 19:24:08,064 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:08,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,099 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:08,100 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:08,101 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:08,102 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 [2021-10-21 19:24:08,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:08,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:08,113 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:08,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:08,115 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:08,115 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:08,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 19:24:08,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:08,166 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:08,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:08,167 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:08,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:08,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:08,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:08,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:08,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:08,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:08,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:08,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 19:24:08,196 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:08,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:08,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:08,233 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:08,237 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:08,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:08,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:08,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:08,246 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:08,248 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:08,249 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:08,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 19:24:08,260 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:08,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,294 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:08,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:08,295 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:08,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:08,305 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:08,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:08,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:08,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:08,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:08,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:08,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 19:24:08,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:08,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:08,356 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:08,362 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:08,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:08,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:08,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:08,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:08,374 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:08,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:08,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 19:24:08,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:08,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,423 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:08,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:08,424 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:08,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:08,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:08,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:08,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:08,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:08,440 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:08,440 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:08,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 19:24:08,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:08,462 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 19:24:08,462 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:24:08,463 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:08,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:08,464 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:08,466 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:08,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 19:24:08,493 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:08,493 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:08,493 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0, ULTIMATE.start_f_~z~0) = 1*ULTIMATE.start_f_~k~0 - 1*ULTIMATE.start_f_~z~0 Supporting invariants [1*ULTIMATE.start_f_~z~0 - 1 >= 0] [2021-10-21 19:24:08,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,537 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:08,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:08,593 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:08,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:08,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-21 19:24:08,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:08,626 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:08,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:08,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:08,628 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 [2021-10-21 19:24:08,628 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 30 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) [2021-10-21 19:24:08,667 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 30 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 39 states and 50 transitions. Complement of second has 6 states. [2021-10-21 19:24:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:08,668 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) [2021-10-21 19:24:08,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-21 19:24:08,668 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 1 letters. [2021-10-21 19:24:08,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:08,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 5 letters. Loop has 1 letters. [2021-10-21 19:24:08,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:08,669 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-21 19:24:08,669 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:08,670 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 50 transitions. [2021-10-21 19:24:08,672 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2021-10-21 19:24:08,673 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 31 states and 40 transitions. [2021-10-21 19:24:08,673 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2021-10-21 19:24:08,673 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-21 19:24:08,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-10-21 19:24:08,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:24:08,674 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-21 19:24:08,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-10-21 19:24:08,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 25. [2021-10-21 19:24:08,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.28) internal successors, (32), 24 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:08,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 32 transitions. [2021-10-21 19:24:08,677 INFO L704 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-21 19:24:08,677 INFO L587 BuchiCegarLoop]: Abstraction has 25 states and 32 transitions. [2021-10-21 19:24:08,677 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:24:08,677 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 32 transitions. [2021-10-21 19:24:08,678 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 19:24:08,678 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:08,679 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:08,679 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:08,679 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:24:08,680 INFO L791 eck$LassoCheckResult]: Stem: 308#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 309#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 316#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 312#L27 assume !!(f_~k~0 <= 1073741823); 305#L30-2 assume !(f_~z~0 < f_~k~0); 306#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 321#L18 assume !(0 == __VERIFIER_assert_~cond); 322#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 326#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 327#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 318#L38-2 [2021-10-21 19:24:08,680 INFO L793 eck$LassoCheckResult]: Loop: 318#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 319#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 318#L38-2 [2021-10-21 19:24:08,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:08,680 INFO L82 PathProgramCache]: Analyzing trace with hash 718281628, now seen corresponding path program 1 times [2021-10-21 19:24:08,680 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:08,681 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851563518] [2021-10-21 19:24:08,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:08,681 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,698 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:08,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,714 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:08,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:08,714 INFO L82 PathProgramCache]: Analyzing trace with hash 2824, now seen corresponding path program 1 times [2021-10-21 19:24:08,715 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:08,715 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805592572] [2021-10-21 19:24:08,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:08,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,719 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:08,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,724 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:08,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:08,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1221088285, now seen corresponding path program 1 times [2021-10-21 19:24:08,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:08,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303986400] [2021-10-21 19:24:08,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:08,725 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,740 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:08,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:08,772 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:09,161 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:09,161 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:09,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:09,161 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:09,161 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:09,161 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:09,162 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:09,162 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration3_Lasso [2021-10-21 19:24:09,162 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:09,162 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:09,164 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,169 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,172 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,212 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,214 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,216 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,225 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,236 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,242 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,245 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,249 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,256 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:09,488 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:09,489 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:09,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,492 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:09,511 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 19:24:09,511 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:09,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:09,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:09,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:09,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:09,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:09,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:09,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:09,533 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:09,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:09,566 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,567 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:09,572 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:09,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 19:24:09,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:09,582 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:09,582 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:09,582 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:09,584 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:09,584 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:09,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:09,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:09,632 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,633 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:09,639 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:09,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:09,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:09,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:09,649 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:09,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:09,651 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:09,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 19:24:09,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:09,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-21 19:24:09,707 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,708 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:09,710 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:09,719 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:09,719 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:09,719 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:09,719 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:09,722 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:09,722 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:09,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 19:24:09,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:09,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:09,772 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,776 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:09,779 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:09,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:09,788 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:09,788 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:09,788 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:09,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:09,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:09,794 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 19:24:09,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:09,836 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:09,836 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,837 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:09,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 19:24:09,838 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:09,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:09,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:09,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:09,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:09,849 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:09,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:09,852 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:09,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 19:24:09,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,871 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:09,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 19:24:09,872 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:09,879 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:09,879 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:09,879 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:09,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:09,881 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:09,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:09,896 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:09,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2021-10-21 19:24:09,923 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,924 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:09,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 19:24:09,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:09,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:09,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:09,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:09,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:09,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:09,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:09,960 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:09,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:09,992 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:09,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:09,993 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,002 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:10,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:10,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:10,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:10,011 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:10,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:10,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:10,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 19:24:10,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:10,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:10,058 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:10,060 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:10,071 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:10,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:10,072 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:10,072 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:10,073 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:10,074 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:10,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 19:24:10,088 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:10,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:10,120 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:10,123 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,129 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:10,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:10,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:10,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:10,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:10,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:10,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:10,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 19:24:10,160 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:10,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:10,193 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:10,194 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,196 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:10,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:10,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:10,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:10,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:10,206 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:10,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:10,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:10,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 19:24:10,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:10,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-21 19:24:10,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:10,238 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 19:24:10,240 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:10,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:10,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:10,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:10,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:10,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:10,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:10,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:10,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:10,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:10,280 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:10,281 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 19:24:10,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:10,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:10,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:10,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:10,290 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:10,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:10,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:10,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:10,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:10,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:10,349 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,353 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:10,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:10,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:10,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:10,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:10,364 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:10,364 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:10,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 19:24:10,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:10,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 19:24:10,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:10,399 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 19:24:10,400 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 [2021-10-21 19:24:10,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:10,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:10,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:10,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:10,410 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:10,410 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:10,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:10,454 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-21 19:24:10,454 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-21 19:24:10,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:10,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:10,456 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:10,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 19:24:10,463 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:10,484 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:10,484 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:10,484 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-21 19:24:10,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-21 19:24:10,514 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:10,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:10,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:10,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:10,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:10,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:10,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:10,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:10,673 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:24:10,673 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:10,711 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 32 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 40 transitions. Complement of second has 6 states. [2021-10-21 19:24:10,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:10,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:10,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-21 19:24:10,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-21 19:24:10,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:10,713 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-21 19:24:10,713 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:10,714 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-21 19:24:10,714 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:10,714 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 40 transitions. [2021-10-21 19:24:10,715 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 19:24:10,716 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 30 states and 39 transitions. [2021-10-21 19:24:10,716 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2021-10-21 19:24:10,717 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2021-10-21 19:24:10,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2021-10-21 19:24:10,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:10,717 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2021-10-21 19:24:10,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2021-10-21 19:24:10,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2021-10-21 19:24:10,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 28 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:10,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 38 transitions. [2021-10-21 19:24:10,720 INFO L704 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-10-21 19:24:10,720 INFO L587 BuchiCegarLoop]: Abstraction has 29 states and 38 transitions. [2021-10-21 19:24:10,721 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 19:24:10,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 38 transitions. [2021-10-21 19:24:10,722 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 19:24:10,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:10,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:10,722 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:10,723 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:24:10,723 INFO L791 eck$LassoCheckResult]: Stem: 448#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 449#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 456#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 457#L27-1 assume !!(f_~k~0 <= 1073741823); 466#L30-6 assume !(f_~z~0 < f_~k~0); 467#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 471#L18-3 assume !(0 == __VERIFIER_assert_~cond); 453#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 454#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 463#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 450#L38-5 [2021-10-21 19:24:10,723 INFO L793 eck$LassoCheckResult]: Loop: 450#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 451#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 450#L38-5 [2021-10-21 19:24:10,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:10,724 INFO L82 PathProgramCache]: Analyzing trace with hash 177855644, now seen corresponding path program 1 times [2021-10-21 19:24:10,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:10,724 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115170350] [2021-10-21 19:24:10,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:10,724 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:10,736 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:10,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:10,749 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:10,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:10,750 INFO L82 PathProgramCache]: Analyzing trace with hash 4936, now seen corresponding path program 1 times [2021-10-21 19:24:10,750 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:10,750 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816713234] [2021-10-21 19:24:10,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:10,751 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:10,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:10,754 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:10,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:10,758 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:10,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:10,759 INFO L82 PathProgramCache]: Analyzing trace with hash -879413981, now seen corresponding path program 1 times [2021-10-21 19:24:10,759 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:10,759 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095431680] [2021-10-21 19:24:10,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:10,760 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:10,774 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:10,788 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:11,138 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:11,139 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:11,139 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:11,139 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:11,139 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:11,139 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,139 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:11,139 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:11,139 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration4_Lasso [2021-10-21 19:24:11,139 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:11,139 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:11,141 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,146 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,149 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,153 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,155 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,159 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,166 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,176 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,178 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,182 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,186 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,238 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:11,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:11,494 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:11,495 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:11,495 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,496 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 19:24:11,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,506 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,507 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:11,507 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:11,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:11,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,529 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,530 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 [2021-10-21 19:24:11,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 19:24:11,537 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,537 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,537 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,538 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,539 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:11,539 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:11,541 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2021-10-21 19:24:11,560 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,561 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 19:24:11,562 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,569 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,569 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,570 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,570 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,571 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:11,571 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:11,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,592 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2021-10-21 19:24:11,592 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,593 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2021-10-21 19:24:11,595 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:11,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,603 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:11,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:11,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,641 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2021-10-21 19:24:11,641 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,642 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2021-10-21 19:24:11,643 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:11,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:11,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:11,652 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2021-10-21 19:24:11,671 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,671 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 19:24:11,673 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:11,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,680 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,680 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:11,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:11,682 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:11,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,701 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 19:24:11,702 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,709 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:11,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:11,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:11,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-21 19:24:11,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,730 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 19:24:11,733 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,740 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:11,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,740 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,741 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:11,741 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:11,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2021-10-21 19:24:11,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,761 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 19:24:11,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,769 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:11,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:11,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:11,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:11,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,792 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 19:24:11,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:11,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:11,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:11,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:11,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:11,803 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:11,803 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:11,828 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:11,846 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2021-10-21 19:24:11,846 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2021-10-21 19:24:11,847 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:11,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:11,852 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:11,854 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:11,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 19:24:11,880 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:11,881 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:11,881 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-21 19:24:11,913 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:11,923 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:11,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:11,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:11,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:12,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:12,048 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:12,073 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:24:12,073 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:12,106 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 29 states and 38 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 46 transitions. Complement of second has 6 states. [2021-10-21 19:24:12,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:12,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:12,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2021-10-21 19:24:12,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-21 19:24:12,107 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:12,107 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 12 letters. Loop has 2 letters. [2021-10-21 19:24:12,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:12,108 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 10 letters. Loop has 4 letters. [2021-10-21 19:24:12,108 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:12,108 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2021-10-21 19:24:12,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 19:24:12,110 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 34 states and 45 transitions. [2021-10-21 19:24:12,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-21 19:24:12,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-21 19:24:12,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 45 transitions. [2021-10-21 19:24:12,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:12,110 INFO L681 BuchiCegarLoop]: Abstraction has 34 states and 45 transitions. [2021-10-21 19:24:12,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 45 transitions. [2021-10-21 19:24:12,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2021-10-21 19:24:12,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 32 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 44 transitions. [2021-10-21 19:24:12,114 INFO L704 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-21 19:24:12,114 INFO L587 BuchiCegarLoop]: Abstraction has 33 states and 44 transitions. [2021-10-21 19:24:12,114 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 19:24:12,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 44 transitions. [2021-10-21 19:24:12,115 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 19:24:12,115 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:12,115 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:12,115 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:12,115 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:24:12,116 INFO L791 eck$LassoCheckResult]: Stem: 596#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 597#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 607#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 604#L27 assume !!(f_~k~0 <= 1073741823); 593#L30-2 assume !(f_~z~0 < f_~k~0); 594#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 615#L18 assume !(0 == __VERIFIER_assert_~cond); 616#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 620#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 621#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 625#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 613#L38 assume 0 != f_~c~0 % 256; 624#L39 [2021-10-21 19:24:12,116 INFO L793 eck$LassoCheckResult]: Loop: 624#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 609#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 610#L38 assume 0 != f_~c~0 % 256; 624#L39 [2021-10-21 19:24:12,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:12,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1221088289, now seen corresponding path program 1 times [2021-10-21 19:24:12,117 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:12,117 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136274473] [2021-10-21 19:24:12,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:12,117 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:12,128 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:12,140 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:12,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:12,145 INFO L82 PathProgramCache]: Analyzing trace with hash 92193, now seen corresponding path program 1 times [2021-10-21 19:24:12,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:12,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464149485] [2021-10-21 19:24:12,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:12,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:12,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:12,154 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:12,161 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:12,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:12,164 INFO L82 PathProgramCache]: Analyzing trace with hash 931841923, now seen corresponding path program 1 times [2021-10-21 19:24:12,164 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:12,164 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300985474] [2021-10-21 19:24:12,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:12,165 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:12,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:12,185 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:12,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:12,210 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:12,256 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:12,257 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:12,257 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:12,257 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:12,257 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:24:12,257 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,257 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:12,257 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:12,258 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Loop [2021-10-21 19:24:12,258 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:12,258 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:12,259 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:12,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:12,267 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:12,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:12,356 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:12,356 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:24:12,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,360 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,369 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:24:12,369 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:12,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 19:24:12,395 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:24:12,395 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7=-160, ULTIMATE.start_f_~y~0=96} Honda state: {ULTIMATE.start_f_#t~nondet7=-160, ULTIMATE.start_f_~y~0=96} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:24:12,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,428 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,430 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:24:12,430 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:12,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 19:24:12,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,481 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,482 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:24:12,482 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:12,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 19:24:12,509 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:24:12,509 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=-2}, {ULTIMATE.start_f_~z~0=4}] Lambdas: [1, 3, 1] Nus: [0, 1] [2021-10-21 19:24:12,527 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2021-10-21 19:24:12,528 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,528 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,529 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 19:24:12,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:24:12,530 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:12,542 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:24:12,542 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:24:12,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:12,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:12,565 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:12,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:24:12,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:12,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 19:24:12,611 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:24:12,611 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0=-168, ULTIMATE.start_f_#t~nondet6=-168} Honda state: {ULTIMATE.start_f_~c~0=-168, ULTIMATE.start_f_#t~nondet6=-168} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:24:12,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:12,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:13,037 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:13,037 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:13,037 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:13,037 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:13,037 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:13,037 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,037 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:13,037 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:13,037 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration5_Lasso [2021-10-21 19:24:13,037 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:13,037 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:13,039 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,082 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,086 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,090 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,092 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,100 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,108 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,116 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,125 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,127 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,129 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,131 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:13,404 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:13,404 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:13,404 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,405 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 19:24:13,413 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,419 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,421 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,435 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-21 19:24:13,454 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,455 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,456 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 19:24:13,456 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,463 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,465 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,465 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2021-10-21 19:24:13,487 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,487 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 19:24:13,489 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:13,518 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,519 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 19:24:13,520 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,528 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,528 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,531 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2021-10-21 19:24:13,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,550 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 19:24:13,552 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,559 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,560 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,560 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,581 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:13,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,582 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 19:24:13,583 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,607 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:13,626 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,626 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 19:24:13,628 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,634 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,636 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,636 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,638 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-21 19:24:13,657 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,658 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 19:24:13,659 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,666 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,668 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,668 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,680 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:13,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,713 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,714 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,725 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,725 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 19:24:13,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,761 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:13,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,762 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 19:24:13,764 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,773 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2021-10-21 19:24:13,807 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,808 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 19:24:13,810 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,828 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-21 19:24:13,849 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,850 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 19:24:13,851 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,858 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,860 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,862 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2021-10-21 19:24:13,882 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,883 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 19:24:13,898 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,905 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,905 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:13,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,905 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,905 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:13,905 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:13,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:13,925 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:13,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,925 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 19:24:13,926 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:13,934 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:13,934 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:13,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:13,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:13,936 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:13,936 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:13,941 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:13,963 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 19:24:13,963 INFO L444 ModelExtractionUtils]: 7 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 19:24:13,963 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:13,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:13,964 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:13,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 19:24:13,965 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:13,974 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:13,974 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:13,974 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-21 19:24:13,994 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:14,002 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:14,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:14,038 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:14,038 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:14,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:14,162 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:14,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:14,204 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 [2021-10-21 19:24:14,204 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:14,249 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 44 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 43 states and 57 transitions. Complement of second has 7 states. [2021-10-21 19:24:14,250 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 [2021-10-21 19:24:14,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:14,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2021-10-21 19:24:14,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-21 19:24:14,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:14,251 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 19:24:14,251 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:14,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-21 19:24:14,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:14,252 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 57 transitions. [2021-10-21 19:24:14,253 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 19:24:14,254 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 39 states and 52 transitions. [2021-10-21 19:24:14,254 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-21 19:24:14,254 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-21 19:24:14,255 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 52 transitions. [2021-10-21 19:24:14,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:14,255 INFO L681 BuchiCegarLoop]: Abstraction has 39 states and 52 transitions. [2021-10-21 19:24:14,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 52 transitions. [2021-10-21 19:24:14,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2021-10-21 19:24:14,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 38 states have (on average 1.3421052631578947) internal successors, (51), 37 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:14,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 51 transitions. [2021-10-21 19:24:14,258 INFO L704 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2021-10-21 19:24:14,259 INFO L587 BuchiCegarLoop]: Abstraction has 38 states and 51 transitions. [2021-10-21 19:24:14,259 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 19:24:14,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 38 states and 51 transitions. [2021-10-21 19:24:14,259 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2021-10-21 19:24:14,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:14,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:14,260 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:14,260 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 19:24:14,261 INFO L791 eck$LassoCheckResult]: Stem: 768#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 769#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 779#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 780#L27-1 assume !!(f_~k~0 <= 1073741823); 788#L30-6 assume !(f_~z~0 < f_~k~0); 789#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 793#L18-3 assume !(0 == __VERIFIER_assert_~cond); 776#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 777#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 785#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 794#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 774#L38-3 assume 0 != f_~c~0 % 256; 778#L39-1 [2021-10-21 19:24:14,261 INFO L793 eck$LassoCheckResult]: Loop: 778#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 770#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 771#L38-3 assume 0 != f_~c~0 % 256; 778#L39-1 [2021-10-21 19:24:14,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:14,261 INFO L82 PathProgramCache]: Analyzing trace with hash -879413985, now seen corresponding path program 1 times [2021-10-21 19:24:14,262 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:14,262 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1224533781] [2021-10-21 19:24:14,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:14,262 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:14,271 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:14,282 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:14,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:14,282 INFO L82 PathProgramCache]: Analyzing trace with hash 157731, now seen corresponding path program 1 times [2021-10-21 19:24:14,282 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:14,283 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143173168] [2021-10-21 19:24:14,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:14,283 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:14,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:14,287 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:14,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:14,291 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:14,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:14,301 INFO L82 PathProgramCache]: Analyzing trace with hash 678606405, now seen corresponding path program 1 times [2021-10-21 19:24:14,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:14,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710415459] [2021-10-21 19:24:14,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:14,302 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:14,339 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:14,356 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:14,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:14,412 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:14,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:14,412 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:14,413 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:14,413 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 19:24:14,413 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:14,413 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:14,413 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:14,413 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Loop [2021-10-21 19:24:14,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:14,413 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:14,414 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:14,421 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:14,426 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:14,431 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:14,519 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:14,519 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 19:24:14,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:14,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:14,520 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:14,522 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:24:14,522 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:14,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 19:24:14,540 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:24:14,540 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Honda state: {ULTIMATE.start_f_~x~0=1, ULTIMATE.start_f_~d=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:24:14,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-21 19:24:14,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:14,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:14,560 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:14,560 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 19:24:14,561 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:24:14,561 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:14,579 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:24:14,579 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~c~0=-216, ULTIMATE.start_f_#t~nondet6=-216} Honda state: {ULTIMATE.start_f_~c~0=-216, ULTIMATE.start_f_#t~nondet6=-216} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:24:14,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2021-10-21 19:24:14,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:14,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:14,599 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:14,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 19:24:14,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:24:14,600 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:14,617 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:24:14,618 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet7=58, ULTIMATE.start_f_~y~0=58} Honda state: {ULTIMATE.start_f_#t~nondet7=58, ULTIMATE.start_f_~y~0=58} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-21 19:24:14,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-21 19:24:14,636 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:14,636 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:14,637 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:14,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 19:24:14,638 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 19:24:14,638 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:14,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:14,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:14,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:14,665 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:14,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 19:24:14,666 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 19:24:14,666 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 19:24:14,692 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 19:24:14,692 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0=0} Honda state: {ULTIMATE.start_f_~z~0=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0=-3}, {ULTIMATE.start_f_~z~0=-2}, {ULTIMATE.start_f_~z~0=4}] Lambdas: [1, 3, 1] Nus: [0, 1] [2021-10-21 19:24:14,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-21 19:24:15,063 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:15,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:15,063 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:15,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:15,063 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:15,064 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:15,064 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:15,064 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:15,064 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration6_Lasso [2021-10-21 19:24:15,064 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:15,064 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:15,066 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,085 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,087 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,091 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,093 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,106 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,107 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,115 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,117 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:15,388 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:15,388 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:15,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:15,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:15,403 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:15,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 19:24:15,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:15,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:15,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:15,412 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:15,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:15,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:15,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:15,415 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:15,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:15,434 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:15,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:15,435 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:15,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 19:24:15,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:15,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:15,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:15,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:15,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:15,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:15,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:15,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:15,466 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:15,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:15,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:15,468 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:15,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 19:24:15,469 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:15,476 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:15,476 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:15,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:15,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:15,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:15,480 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:15,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:15,511 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2021-10-21 19:24:15,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:15,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:15,512 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:15,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 19:24:15,513 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:15,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:15,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:15,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:15,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:15,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:15,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:15,527 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:15,531 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2021-10-21 19:24:15,532 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2021-10-21 19:24:15,532 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:15,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:15,532 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:15,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 19:24:15,533 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:15,541 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:15,541 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:15,541 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0, ULTIMATE.start_f_~d) = 1*ULTIMATE.start_f_~x~0 - 1*ULTIMATE.start_f_~d Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-21 19:24:15,560 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:15,568 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:15,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:15,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:15,614 INFO L263 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:15,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:15,755 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:15,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:15,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:15,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:15,806 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 [2021-10-21 19:24:15,806 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:15,846 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 38 states and 51 transitions. cyclomatic complexity: 20. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 64 transitions. Complement of second has 7 states. [2021-10-21 19:24:15,847 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 [2021-10-21 19:24:15,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:15,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2021-10-21 19:24:15,847 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 3 letters. [2021-10-21 19:24:15,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:15,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 15 letters. Loop has 3 letters. [2021-10-21 19:24:15,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:15,848 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 12 letters. Loop has 6 letters. [2021-10-21 19:24:15,848 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:15,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 64 transitions. [2021-10-21 19:24:15,849 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 19:24:15,850 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 44 states and 59 transitions. [2021-10-21 19:24:15,851 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2021-10-21 19:24:15,851 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2021-10-21 19:24:15,851 INFO L73 IsDeterministic]: Start isDeterministic. Operand 44 states and 59 transitions. [2021-10-21 19:24:15,851 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:15,851 INFO L681 BuchiCegarLoop]: Abstraction has 44 states and 59 transitions. [2021-10-21 19:24:15,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states and 59 transitions. [2021-10-21 19:24:15,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2021-10-21 19:24:15,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 42 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 58 transitions. [2021-10-21 19:24:15,855 INFO L704 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2021-10-21 19:24:15,855 INFO L587 BuchiCegarLoop]: Abstraction has 43 states and 58 transitions. [2021-10-21 19:24:15,855 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 19:24:15,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 43 states and 58 transitions. [2021-10-21 19:24:15,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 19:24:15,856 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:15,856 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:15,857 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:15,857 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:24:15,857 INFO L791 eck$LassoCheckResult]: Stem: 950#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 951#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 963#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 960#L27 assume !!(f_~k~0 <= 1073741823); 947#L30-2 assume !(f_~z~0 < f_~k~0); 948#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 970#L18 assume !(0 == __VERIFIER_assert_~cond); 971#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 975#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 976#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 981#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 985#L38 assume 0 != f_~c~0 % 256; 982#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 983#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 989#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 965#L38-2 [2021-10-21 19:24:15,858 INFO L793 eck$LassoCheckResult]: Loop: 965#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 966#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 965#L38-2 [2021-10-21 19:24:15,858 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:15,858 INFO L82 PathProgramCache]: Analyzing trace with hash 931841927, now seen corresponding path program 1 times [2021-10-21 19:24:15,858 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:15,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486322482] [2021-10-21 19:24:15,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:15,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:15,869 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:15,888 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:15,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:15,895 INFO L82 PathProgramCache]: Analyzing trace with hash 2824, now seen corresponding path program 2 times [2021-10-21 19:24:15,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:15,896 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1182276304] [2021-10-21 19:24:15,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:15,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:15,900 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:15,903 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:15,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:15,906 INFO L82 PathProgramCache]: Analyzing trace with hash 2146896142, now seen corresponding path program 2 times [2021-10-21 19:24:15,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:15,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964913066] [2021-10-21 19:24:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:15,906 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:15,923 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:15,944 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:16,403 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:16,403 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:16,403 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:16,403 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:16,403 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:16,403 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,403 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:16,403 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:16,403 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration7_Lasso [2021-10-21 19:24:16,403 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:16,403 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:16,405 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,413 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,441 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,443 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,463 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,467 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,472 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,478 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,481 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,482 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,484 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,497 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,500 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:16,689 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:16,690 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:16,690 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,699 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 19:24:16,700 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,708 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:16,709 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:16,709 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:16,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:16,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:16,730 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,730 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 19:24:16,731 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,738 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:16,739 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:16,739 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:16,741 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:16,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:16,760 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,761 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 19:24:16,762 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,769 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,769 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,769 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:16,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:16,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:16,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:16,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-21 19:24:16,792 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,792 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 19:24:16,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,800 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:16,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:16,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:16,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:16,822 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:16,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,823 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 19:24:16,824 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:16,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:16,832 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:16,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:16,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:16,853 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,853 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 19:24:16,854 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:16,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:16,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:16,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:16,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:16,883 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,884 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-21 19:24:16,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:16,893 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:16,893 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:16,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:16,948 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:16,948 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,949 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,950 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-21 19:24:16,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:16,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:16,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:16,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:16,986 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:16,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:16,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:16,987 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:16,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-21 19:24:16,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:16,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:16,999 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:16,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:16,999 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,003 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,021 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-21 19:24:17,021 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,022 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-21 19:24:17,023 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,031 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,031 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,033 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,054 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:17,054 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,054 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-21 19:24:17,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,062 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,062 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,066 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:17,084 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,085 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-21 19:24:17,086 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,096 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2021-10-21 19:24:17,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,124 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-21 19:24:17,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,134 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,134 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,137 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:17,156 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,157 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-21 19:24:17,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,166 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,166 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:17,188 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,188 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,196 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-21 19:24:17,197 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,204 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,204 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:17,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:17,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:17,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-10-21 19:24:17,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,224 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-21 19:24:17,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:17,254 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,255 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-21 19:24:17,267 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,275 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,275 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,277 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,295 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2021-10-21 19:24:17,295 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,296 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-21 19:24:17,297 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,304 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:17,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,305 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:17,305 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:17,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:17,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,327 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-21 19:24:17,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,334 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,334 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:17,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:17,335 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:17,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:17,354 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:17,354 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,354 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,355 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-21 19:24:17,356 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:17,363 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:17,363 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:17,363 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:17,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:17,366 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:17,366 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:17,372 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:17,384 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 19:24:17,384 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-21 19:24:17,384 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:17,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:17,394 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:17,401 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:17,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-21 19:24:17,423 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:17,424 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:17,424 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-21 19:24:17,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:17,450 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:17,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:17,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:17,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:17,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:17,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:17,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:17,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:17,647 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:24:17,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:17,679 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 43 states and 58 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 61 states and 80 transitions. Complement of second has 6 states. [2021-10-21 19:24:17,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:17,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:17,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-21 19:24:17,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 19:24:17,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:17,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 19:24:17,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:17,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-21 19:24:17,688 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:17,688 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 61 states and 80 transitions. [2021-10-21 19:24:17,689 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 19:24:17,691 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 61 states to 53 states and 70 transitions. [2021-10-21 19:24:17,691 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-21 19:24:17,692 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2021-10-21 19:24:17,692 INFO L73 IsDeterministic]: Start isDeterministic. Operand 53 states and 70 transitions. [2021-10-21 19:24:17,692 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:17,693 INFO L681 BuchiCegarLoop]: Abstraction has 53 states and 70 transitions. [2021-10-21 19:24:17,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states and 70 transitions. [2021-10-21 19:24:17,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 51. [2021-10-21 19:24:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.3333333333333333) internal successors, (68), 50 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:17,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 68 transitions. [2021-10-21 19:24:17,706 INFO L704 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2021-10-21 19:24:17,707 INFO L587 BuchiCegarLoop]: Abstraction has 51 states and 68 transitions. [2021-10-21 19:24:17,707 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 19:24:17,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 68 transitions. [2021-10-21 19:24:17,707 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 19:24:17,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:17,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:17,708 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:17,709 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:24:17,709 INFO L791 eck$LassoCheckResult]: Stem: 1153#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1154#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1169#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1170#L27-1 assume !!(f_~k~0 <= 1073741823); 1179#L30-6 assume !(f_~z~0 < f_~k~0); 1180#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1184#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1161#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1162#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1176#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1155#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1156#L38-3 assume 0 != f_~c~0 % 256; 1166#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1167#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1192#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1164#L38-5 [2021-10-21 19:24:17,709 INFO L793 eck$LassoCheckResult]: Loop: 1164#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1163#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1164#L38-5 [2021-10-21 19:24:17,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:17,709 INFO L82 PathProgramCache]: Analyzing trace with hash 678606409, now seen corresponding path program 1 times [2021-10-21 19:24:17,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:17,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673809370] [2021-10-21 19:24:17,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:17,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:17,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:17,725 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:17,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:17,742 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:17,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:17,742 INFO L82 PathProgramCache]: Analyzing trace with hash 4936, now seen corresponding path program 2 times [2021-10-21 19:24:17,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:17,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259745000] [2021-10-21 19:24:17,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:17,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:17,747 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:17,750 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:17,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:17,752 INFO L82 PathProgramCache]: Analyzing trace with hash -694265968, now seen corresponding path program 2 times [2021-10-21 19:24:17,752 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:17,752 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091404068] [2021-10-21 19:24:17,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:17,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:17,766 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:17,786 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:18,294 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:18,295 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:18,295 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:18,295 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:18,295 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:18,295 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:18,295 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:18,295 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:18,295 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration8_Lasso [2021-10-21 19:24:18,295 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:18,295 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:18,297 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,299 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,301 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,305 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,309 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,313 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,332 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,376 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,378 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,382 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:18,614 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:18,614 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:18,614 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:18,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:18,616 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:18,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-21 19:24:18,617 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:18,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:18,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:18,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:18,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:18,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:18,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:18,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:18,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:18,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:18,647 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:18,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:18,647 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:18,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2021-10-21 19:24:18,648 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 [2021-10-21 19:24:18,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:18,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:18,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:18,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:18,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:18,656 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:18,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:18,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:18,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:18,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:18,679 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:18,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2021-10-21 19:24:18,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:18,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:18,712 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:18,712 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:18,712 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:18,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:18,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:18,722 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:18,722 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:18,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:18,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:18,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:18,742 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:18,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2021-10-21 19:24:18,743 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:18,750 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:18,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:18,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:18,750 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:18,752 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:18,752 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:18,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:18,804 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:18,804 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:18,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:18,815 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:18,817 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:18,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:18,826 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:18,826 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:18,826 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:18,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:18,828 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:18,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2021-10-21 19:24:18,848 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:18,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:18,881 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:18,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:18,882 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:18,883 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:18,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:18,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:18,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:18,892 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:18,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:18,894 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:18,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2021-10-21 19:24:18,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:18,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:18,947 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:18,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:18,948 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:18,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:18,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2021-10-21 19:24:18,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:18,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:18,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:18,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:18,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:18,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:18,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:18,972 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,003 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,004 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2021-10-21 19:24:19,008 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,017 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:19,017 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,017 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,017 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,018 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:19,018 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:19,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,078 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,084 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,095 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,095 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2021-10-21 19:24:19,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,146 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,147 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,149 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,158 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,158 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,159 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,159 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2021-10-21 19:24:19,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,187 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,187 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2021-10-21 19:24:19,189 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,195 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,195 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:19,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,196 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,196 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,196 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:19,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:19,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,223 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,224 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,225 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2021-10-21 19:24:19,225 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,232 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,233 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,233 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,236 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,255 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,256 INFO L229 MonitoredProcess]: Starting monitored process 134 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Waiting until timeout for monitored process [2021-10-21 19:24:19,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,276 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,276 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,278 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,296 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (134)] Ended with exit code 0 [2021-10-21 19:24:19,296 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,297 INFO L229 MonitoredProcess]: Starting monitored process 135 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Waiting until timeout for monitored process [2021-10-21 19:24:19,298 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,305 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,305 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,305 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,306 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,306 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (135)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,327 INFO L229 MonitoredProcess]: Starting monitored process 136 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Waiting until timeout for monitored process [2021-10-21 19:24:19,328 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,335 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,335 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,335 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,335 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,336 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,336 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,338 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,358 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (136)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,359 INFO L229 MonitoredProcess]: Starting monitored process 137 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Waiting until timeout for monitored process [2021-10-21 19:24:19,360 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,367 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,370 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (137)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,388 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,389 INFO L229 MonitoredProcess]: Starting monitored process 138 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Waiting until timeout for monitored process [2021-10-21 19:24:19,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,397 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,397 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,400 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (138)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,419 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,419 INFO L229 MonitoredProcess]: Starting monitored process 139 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Waiting until timeout for monitored process [2021-10-21 19:24:19,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,427 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,427 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,427 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,427 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,428 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,428 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,430 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,449 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (139)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,449 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,450 INFO L229 MonitoredProcess]: Starting monitored process 140 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Waiting until timeout for monitored process [2021-10-21 19:24:19,451 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,459 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,461 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,479 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (140)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,480 INFO L229 MonitoredProcess]: Starting monitored process 141 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Waiting until timeout for monitored process [2021-10-21 19:24:19,481 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (141)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,510 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,511 INFO L229 MonitoredProcess]: Starting monitored process 142 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Waiting until timeout for monitored process [2021-10-21 19:24:19,512 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:19,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:19,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:19,521 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (142)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,539 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,540 INFO L229 MonitoredProcess]: Starting monitored process 143 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Waiting until timeout for monitored process [2021-10-21 19:24:19,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,548 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,548 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 19:24:19,548 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 19:24:19,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 19:24:19,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (143)] Ended with exit code 0 [2021-10-21 19:24:19,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,569 INFO L229 MonitoredProcess]: Starting monitored process 144 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Waiting until timeout for monitored process [2021-10-21 19:24:19,570 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,577 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,577 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,577 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,577 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,578 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,578 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:19,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (144)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,599 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,600 INFO L229 MonitoredProcess]: Starting monitored process 145 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Waiting until timeout for monitored process [2021-10-21 19:24:19,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:19,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:19,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:19,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:19,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:19,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:19,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:19,617 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:19,628 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 19:24:19,628 INFO L444 ModelExtractionUtils]: 3 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2021-10-21 19:24:19,628 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:19,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:19,635 INFO L229 MonitoredProcess]: Starting monitored process 146 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:19,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Waiting until timeout for monitored process [2021-10-21 19:24:19,636 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:19,645 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:19,645 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:19,645 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 2 >= 0] [2021-10-21 19:24:19,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (145)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:19,672 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:19,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:19,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:19,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:19,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:19,849 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:19,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:19,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:19,868 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:24:19,868 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:19,907 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 68 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 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 69 states and 90 transitions. Complement of second has 6 states. [2021-10-21 19:24:19,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:19,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:19,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-21 19:24:19,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 2 letters. [2021-10-21 19:24:19,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:19,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 19:24:19,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:19,909 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 15 letters. Loop has 4 letters. [2021-10-21 19:24:19,909 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:19,909 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 90 transitions. [2021-10-21 19:24:19,910 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 19:24:19,911 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 61 states and 80 transitions. [2021-10-21 19:24:19,911 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2021-10-21 19:24:19,911 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2021-10-21 19:24:19,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 61 states and 80 transitions. [2021-10-21 19:24:19,911 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:19,911 INFO L681 BuchiCegarLoop]: Abstraction has 61 states and 80 transitions. [2021-10-21 19:24:19,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states and 80 transitions. [2021-10-21 19:24:19,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 59. [2021-10-21 19:24:19,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 58 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:24:19,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 78 transitions. [2021-10-21 19:24:19,914 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2021-10-21 19:24:19,914 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 78 transitions. [2021-10-21 19:24:19,914 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 19:24:19,915 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 78 transitions. [2021-10-21 19:24:19,915 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-21 19:24:19,915 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:19,915 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:19,916 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:19,916 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:24:19,921 INFO L791 eck$LassoCheckResult]: Stem: 1372#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1373#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1389#L50 assume 0 != main_~c~1 % 256;f_#in~d := 1;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1379#L27 assume !!(f_~k~0 <= 1073741823); 1369#L30-2 assume !(f_~z~0 < f_~k~0); 1370#L30-3 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1396#L18 assume !(0 == __VERIFIER_assert_~cond); 1397#L18-2 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1401#L34 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1402#L35 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1408#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1420#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1426#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1424#L38 assume 0 != f_~c~0 % 256; 1423#L39 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1422#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1421#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1391#L38-2 [2021-10-21 19:24:19,921 INFO L793 eck$LassoCheckResult]: Loop: 1391#L38-2 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1392#L38 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1391#L38-2 [2021-10-21 19:24:19,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:19,922 INFO L82 PathProgramCache]: Analyzing trace with hash -2038084704, now seen corresponding path program 3 times [2021-10-21 19:24:19,922 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:19,922 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004078865] [2021-10-21 19:24:19,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:19,922 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:19,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:19,934 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:19,955 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:19,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:19,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2824, now seen corresponding path program 3 times [2021-10-21 19:24:19,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:19,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113779917] [2021-10-21 19:24:19,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:19,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:19,961 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:19,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:19,964 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:19,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:19,966 INFO L82 PathProgramCache]: Analyzing trace with hash -94311705, now seen corresponding path program 4 times [2021-10-21 19:24:19,966 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:19,966 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176244992] [2021-10-21 19:24:19,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:19,967 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:19,983 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:20,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:20,011 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:20,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (146)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:20,535 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:20,535 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:20,535 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:20,535 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:20,536 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:20,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:20,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:20,536 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:20,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration9_Lasso [2021-10-21 19:24:20,536 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:20,536 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:20,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,542 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,555 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,558 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,560 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,562 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,565 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,615 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,617 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,618 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,621 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,623 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,624 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,626 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:20,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:20,875 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:20,875 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:20,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:20,885 INFO L229 MonitoredProcess]: Starting monitored process 147 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:20,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Waiting until timeout for monitored process [2021-10-21 19:24:20,886 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:20,892 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:20,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:20,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:20,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:20,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:20,896 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:20,900 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 19:24:20,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (147)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:20,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:20,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:20,920 INFO L229 MonitoredProcess]: Starting monitored process 148 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:20,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Waiting until timeout for monitored process [2021-10-21 19:24:20,921 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 19:24:20,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:20,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:20,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:20,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:20,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:20,931 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:20,937 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:20,944 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-21 19:24:20,944 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2021-10-21 19:24:20,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:20,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:20,945 INFO L229 MonitoredProcess]: Starting monitored process 149 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:20,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Waiting until timeout for monitored process [2021-10-21 19:24:20,946 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:20,953 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:20,953 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:20,954 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [1*ULTIMATE.start_f_~d - 1 >= 0] [2021-10-21 19:24:20,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (148)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:20,980 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:21,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:21,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:21,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:21,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:21,185 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:21,186 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:21,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:21,206 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:24:21,207 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 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) [2021-10-21 19:24:21,247 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. 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 67 states and 86 transitions. Complement of second has 6 states. [2021-10-21 19:24:21,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:21,247 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) [2021-10-21 19:24:21,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-21 19:24:21,248 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 19:24:21,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:21,248 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:24:21,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:21,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:21,280 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:21,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:21,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:21,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:21,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:21,458 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:24:21,459 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 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) [2021-10-21 19:24:21,488 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. 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 67 states and 86 transitions. Complement of second has 6 states. [2021-10-21 19:24:21,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:21,488 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) [2021-10-21 19:24:21,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 31 transitions. [2021-10-21 19:24:21,489 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 31 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 19:24:21,489 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:21,489 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:24:21,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:21,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 19:24:21,520 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:21,675 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:24:21,675 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:21,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:21,695 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-10-21 19:24:21,696 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31 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) [2021-10-21 19:24:21,727 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 59 states and 78 transitions. cyclomatic complexity: 31. 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 70 states and 91 transitions. Complement of second has 5 states. [2021-10-21 19:24:21,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 19:24:21,729 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) [2021-10-21 19:24:21,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2021-10-21 19:24:21,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 19:24:21,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:21,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 19 letters. Loop has 2 letters. [2021-10-21 19:24:21,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:21,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 17 letters. Loop has 4 letters. [2021-10-21 19:24:21,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:21,729 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 70 states and 91 transitions. [2021-10-21 19:24:21,730 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:24:21,730 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 70 states to 31 states and 40 transitions. [2021-10-21 19:24:21,730 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2021-10-21 19:24:21,730 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2021-10-21 19:24:21,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 40 transitions. [2021-10-21 19:24:21,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 19:24:21,731 INFO L681 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-21 19:24:21,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 40 transitions. [2021-10-21 19:24:21,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2021-10-21 19:24:21,732 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) [2021-10-21 19:24:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 40 transitions. [2021-10-21 19:24:21,740 INFO L704 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-21 19:24:21,740 INFO L587 BuchiCegarLoop]: Abstraction has 31 states and 40 transitions. [2021-10-21 19:24:21,741 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 19:24:21,741 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 40 transitions. [2021-10-21 19:24:21,741 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-21 19:24:21,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:24:21,741 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:24:21,742 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:24:21,742 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 19:24:21,742 INFO L791 eck$LassoCheckResult]: Stem: 1870#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(11); 1871#L-1 havoc main_#res;havoc main_#t~nondet8, main_~c~1;main_~c~1 := main_#t~nondet8;havoc main_#t~nondet8; 1884#L50 assume !(0 != main_~c~1 % 256);f_#in~d := 2;havoc f_#t~nondet3, f_#t~nondet4, f_#t~nondet5, f_#t~nondet6, f_#t~nondet7, f_~c~0, f_~d, f_~x~0, f_~y~0, f_~k~0, f_~z~0;f_~d := f_#in~d;f_~x~0 := f_#t~nondet3;havoc f_#t~nondet3;f_~y~0 := f_#t~nondet4;havoc f_#t~nondet4;f_~k~0 := f_#t~nondet5;havoc f_#t~nondet5;f_~z~0 := 1; 1885#L27-1 assume !!(f_~k~0 <= 1073741823); 1887#L30-6 assume !(f_~z~0 < f_~k~0); 1888#L30-7 __VERIFIER_assert_#in~cond := (if f_~z~0 >= 1 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 1890#L18-3 assume !(0 == __VERIFIER_assert_~cond); 1880#L18-5 assume !!(f_~x~0 <= 1000000 && f_~x~0 >= -1000000); 1881#L34-2 assume !!(f_~y~0 <= 1000000 && f_~y~0 >= -1000000); 1886#L35-2 assume !!(f_~k~0 <= 1000000 && f_~k~0 >= -1000000); 1872#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1873#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1900#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1897#L38-3 assume 0 != f_~c~0 % 256; 1896#L39-1 f_~x~0 := f_~x~0 - f_~d;f_~y~0 := f_#t~nondet7 % 256;havoc f_#t~nondet7;f_~z~0 := f_~z~0 - 1; 1895#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1891#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1892#L38-5 [2021-10-21 19:24:21,743 INFO L793 eck$LassoCheckResult]: Loop: 1892#L38-5 assume !!(f_~x~0 > 0 && f_~y~0 > 0);f_~c~0 := f_#t~nondet6;havoc f_#t~nondet6; 1894#L38-3 assume !(0 != f_~c~0 % 256);f_~y~0 := f_~y~0 - f_~d; 1892#L38-5 [2021-10-21 19:24:21,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:21,743 INFO L82 PathProgramCache]: Analyzing trace with hash -584279518, now seen corresponding path program 3 times [2021-10-21 19:24:21,743 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:21,743 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722604444] [2021-10-21 19:24:21,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:21,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:21,776 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:21,785 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:21,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:21,786 INFO L82 PathProgramCache]: Analyzing trace with hash 4936, now seen corresponding path program 3 times [2021-10-21 19:24:21,786 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:21,786 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958523335] [2021-10-21 19:24:21,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:21,786 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:21,790 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:21,792 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:21,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:21,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1148102953, now seen corresponding path program 4 times [2021-10-21 19:24:21,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:24:21,793 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473886568] [2021-10-21 19:24:21,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:24:21,793 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:24:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:21,810 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:24:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:24:21,823 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:24:21,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (149)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:22,261 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 19:24:22,261 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 19:24:22,261 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 19:24:22,261 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 19:24:22,261 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 19:24:22,262 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:22,262 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 19:24:22,262 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 19:24:22,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: trex01-2.i_Iteration10_Lasso [2021-10-21 19:24:22,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 19:24:22,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 19:24:22,263 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,277 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,281 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,283 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,329 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,334 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,343 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 19:24:22,519 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 19:24:22,520 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 19:24:22,520 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:22,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:22,527 INFO L229 MonitoredProcess]: Starting monitored process 150 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:22,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Waiting until timeout for monitored process [2021-10-21 19:24:22,528 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 [2021-10-21 19:24:22,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 19:24:22,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 19:24:22,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 19:24:22,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 19:24:22,540 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 19:24:22,540 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 19:24:22,546 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 19:24:22,555 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2021-10-21 19:24:22,555 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-21 19:24:22,555 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:24:22,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:24:22,556 INFO L229 MonitoredProcess]: Starting monitored process 151 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:24:22,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Waiting until timeout for monitored process [2021-10-21 19:24:22,557 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 19:24:22,564 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 19:24:22,565 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 19:24:22,565 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0) = 1*ULTIMATE.start_f_~y~0 Supporting invariants [499999*ULTIMATE.start_f_~d - 1*ULTIMATE.start_f_~x~0 >= 0] [2021-10-21 19:24:22,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (150)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:22,590 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-21 19:24:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:22,618 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:24:22,619 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:22,773 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:24:22,773 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:22,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:22,799 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 [2021-10-21 19:24:22,799 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 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) [2021-10-21 19:24:22,849 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. 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 37 states and 47 transitions. Complement of second has 9 states. [2021-10-21 19:24:22,850 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 [2021-10-21 19:24:22,850 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) [2021-10-21 19:24:22,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2021-10-21 19:24:22,850 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 19:24:22,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:22,850 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:24:22,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:22,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:24:22,884 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:23,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (151)] Forceful destruction successful, exit code 0 [2021-10-21 19:24:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:23,053 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:24:23,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:23,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:23,079 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 [2021-10-21 19:24:23,079 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 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) [2021-10-21 19:24:23,126 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. 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 37 states and 47 transitions. Complement of second has 9 states. [2021-10-21 19:24:23,126 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 [2021-10-21 19:24:23,126 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) [2021-10-21 19:24:23,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 22 transitions. [2021-10-21 19:24:23,126 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 22 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 19:24:23,127 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:23,127 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-10-21 19:24:23,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:24:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:23,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:24:23,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:24:23,323 WARN L261 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-21 19:24:23,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:24:23,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:24:23,353 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 [2021-10-21 19:24:23,353 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15 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) [2021-10-21 19:24:23,409 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 31 states and 40 transitions. cyclomatic complexity: 15. 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 38 states and 49 transitions. Complement of second has 8 states. [2021-10-21 19:24:23,409 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 [2021-10-21 19:24:23,409 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) [2021-10-21 19:24:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 24 transitions. [2021-10-21 19:24:23,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 2 letters. [2021-10-21 19:24:23,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:23,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 19 letters. Loop has 2 letters. [2021-10-21 19:24:23,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:23,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 24 transitions. Stem has 17 letters. Loop has 4 letters. [2021-10-21 19:24:23,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 19:24:23,410 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 49 transitions. [2021-10-21 19:24:23,411 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:24:23,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 0 states and 0 transitions. [2021-10-21 19:24:23,411 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:24:23,411 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:24:23,411 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:24:23,411 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:24:23,411 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:24:23,411 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:24:23,411 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:24:23,412 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 19:24:23,412 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:24:23,412 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:24:23,412 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:24:23,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:24:23 BoogieIcfgContainer [2021-10-21 19:24:23,417 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:24:23,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:24:23,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:24:23,418 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:24:23,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:24:03" (3/4) ... [2021-10-21 19:24:23,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:24:23,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:24:23,423 INFO L168 Benchmark]: Toolchain (without parser) took 20490.35 ms. Allocated memory was 96.5 MB in the beginning and 180.4 MB in the end (delta: 83.9 MB). Free memory was 63.1 MB in the beginning and 100.2 MB in the end (delta: -37.1 MB). Peak memory consumption was 46.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:23,424 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 96.5 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:24:23,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.03 ms. Allocated memory is still 96.5 MB. Free memory was 62.9 MB in the beginning and 71.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:23,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.21 ms. Allocated memory is still 96.5 MB. Free memory was 71.1 MB in the beginning and 69.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:24:23,425 INFO L168 Benchmark]: Boogie Preprocessor took 23.70 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 68.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:23,425 INFO L168 Benchmark]: RCFGBuilder took 343.19 ms. Allocated memory is still 96.5 MB. Free memory was 68.4 MB in the beginning and 57.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:23,425 INFO L168 Benchmark]: BuchiAutomizer took 19812.01 ms. Allocated memory was 96.5 MB in the beginning and 180.4 MB in the end (delta: 83.9 MB). Free memory was 57.5 MB in the beginning and 101.3 MB in the end (delta: -43.7 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:23,426 INFO L168 Benchmark]: Witness Printer took 4.18 ms. Allocated memory is still 180.4 MB. Free memory was 101.3 MB in the beginning and 100.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:24:23,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 96.5 MB. Free memory is still 51.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 254.03 ms. Allocated memory is still 96.5 MB. Free memory was 62.9 MB in the beginning and 71.4 MB in the end (delta: -8.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 35.21 ms. Allocated memory is still 96.5 MB. Free memory was 71.1 MB in the beginning and 69.6 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.70 ms. Allocated memory is still 96.5 MB. Free memory was 69.6 MB in the beginning and 68.4 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 343.19 ms. Allocated memory is still 96.5 MB. Free memory was 68.4 MB in the beginning and 57.5 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 19812.01 ms. Allocated memory was 96.5 MB in the beginning and 180.4 MB in the end (delta: 83.9 MB). Free memory was 57.5 MB in the beginning and 101.3 MB in the end (delta: -43.7 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. * Witness Printer took 4.18 ms. Allocated memory is still 180.4 MB. Free memory was 101.3 MB in the beginning and 100.2 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 -1 * d + x and consists of 5 locations. One deterministic module has affine ranking function -1 * d + x 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 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 19.7s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 16.2s. Construction of modules took 0.2s. Büchi inclusion checks took 3.0s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 67.0ms AutomataMinimizationTime, 9 MinimizatonAttempts, 20 StatesRemovedByMinimization, 8 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 59 states and ocurred in iteration 8. Nontrivial modules had stage [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 324 SDtfs, 565 SDslu, 127 SDs, 0 SdLazy, 181 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 228.2ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital124 mio100 ax100 hnf100 lsp47 ukn62 mio100 lsp79 div300 bol100 ite100 ukn100 eq145 hnf47 smp87 dnf100 smp100 tf101 neg98 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 53ms VariablesStem: 3 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! [2021-10-21 19:24:23,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f0502d6d-234e-4fc1-9834-0895dac2d93d/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...