./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/max.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_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/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_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/max.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/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_c7b58ec8-4182-4e7d-839f-256956607bf7/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 97795e7b99ddd869ecccb7f865206a167342b52333873684a94abd35acf6650e ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 20:07:36,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 20:07:36,435 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 20:07:36,489 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 20:07:36,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 20:07:36,493 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 20:07:36,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 20:07:36,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 20:07:36,502 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 20:07:36,510 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 20:07:36,511 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 20:07:36,513 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 20:07:36,514 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 20:07:36,516 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 20:07:36,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 20:07:36,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 20:07:36,529 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 20:07:36,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 20:07:36,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 20:07:36,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 20:07:36,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 20:07:36,546 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 20:07:36,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 20:07:36,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 20:07:36,560 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 20:07:36,561 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 20:07:36,561 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 20:07:36,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 20:07:36,565 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 20:07:36,566 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 20:07:36,567 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 20:07:36,568 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 20:07:36,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 20:07:36,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 20:07:36,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 20:07:36,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 20:07:36,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 20:07:36,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 20:07:36,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 20:07:36,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 20:07:36,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 20:07:36,577 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 20:07:36,627 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 20:07:36,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 20:07:36,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 20:07:36,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 20:07:36,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 20:07:36,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 20:07:36,629 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 20:07:36,629 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 20:07:36,629 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 20:07:36,629 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 20:07:36,629 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 20:07:36,630 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 20:07:36,630 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 20:07:36,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 20:07:36,631 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 20:07:36,631 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 20:07:36,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 20:07:36,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 20:07:36,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 20:07:36,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 20:07:36,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 20:07:36,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 20:07:36,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 20:07:36,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 20:07:36,633 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 20:07:36,633 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 20:07:36,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 20:07:36,634 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 20:07:36,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 20:07:36,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 20:07:36,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 20:07:36,635 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 20:07:36,636 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 20:07:36,636 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_c7b58ec8-4182-4e7d-839f-256956607bf7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97795e7b99ddd869ecccb7f865206a167342b52333873684a94abd35acf6650e [2021-10-21 20:07:36,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 20:07:36,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 20:07:36,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 20:07:36,919 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 20:07:36,920 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 20:07:36,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/reducercommutativity/max.i [2021-10-21 20:07:37,018 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/data/64a1ee103/eae019df4dcc43beab46c9ffa4d84677/FLAG6950be99a [2021-10-21 20:07:37,510 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 20:07:37,511 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/sv-benchmarks/c/reducercommutativity/max.i [2021-10-21 20:07:37,517 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/data/64a1ee103/eae019df4dcc43beab46c9ffa4d84677/FLAG6950be99a [2021-10-21 20:07:37,858 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/data/64a1ee103/eae019df4dcc43beab46c9ffa4d84677 [2021-10-21 20:07:37,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 20:07:37,862 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 20:07:37,864 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 20:07:37,864 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 20:07:37,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 20:07:37,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:07:37" (1/1) ... [2021-10-21 20:07:37,871 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3183dbc2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:37, skipping insertion in model container [2021-10-21 20:07:37,871 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 08:07:37" (1/1) ... [2021-10-21 20:07:37,879 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 20:07:37,899 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 20:07:38,125 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_c7b58ec8-4182-4e7d-839f-256956607bf7/sv-benchmarks/c/reducercommutativity/max.i[1295,1308] [2021-10-21 20:07:38,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:07:38,135 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 20:07:38,159 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_c7b58ec8-4182-4e7d-839f-256956607bf7/sv-benchmarks/c/reducercommutativity/max.i[1295,1308] [2021-10-21 20:07:38,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 20:07:38,185 INFO L208 MainTranslator]: Completed translation [2021-10-21 20:07:38,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38 WrapperNode [2021-10-21 20:07:38,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 20:07:38,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 20:07:38,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 20:07:38,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 20:07:38,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,270 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 20:07:38,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 20:07:38,271 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 20:07:38,271 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 20:07:38,282 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,288 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,310 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,314 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,315 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 20:07:38,318 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 20:07:38,319 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 20:07:38,319 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 20:07:38,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (1/1) ... [2021-10-21 20:07:38,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:38,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:38,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:38,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 20:07:38,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 20:07:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 20:07:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-21 20:07:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 20:07:38,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 20:07:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-21 20:07:38,419 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-21 20:07:38,732 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 20:07:38,733 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-21 20:07:38,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:38 BoogieIcfgContainer [2021-10-21 20:07:38,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 20:07:38,736 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 20:07:38,736 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 20:07:38,739 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 20:07:38,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:07:38,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 08:07:37" (1/3) ... [2021-10-21 20:07:38,742 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4279dc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:07:38, skipping insertion in model container [2021-10-21 20:07:38,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:07:38,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 08:07:38" (2/3) ... [2021-10-21 20:07:38,743 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4279dc9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 08:07:38, skipping insertion in model container [2021-10-21 20:07:38,743 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 20:07:38,743 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:38" (3/3) ... [2021-10-21 20:07:38,745 INFO L389 chiAutomizerObserver]: Analyzing ICFG max.i [2021-10-21 20:07:38,790 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 20:07:38,791 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 20:07:38,791 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 20:07:38,791 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 20:07:38,791 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 20:07:38,791 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 20:07:38,792 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 20:07:38,792 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 20:07:38,806 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 29 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:38,825 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 20:07:38,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:38,825 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:38,830 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 20:07:38,831 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:07:38,831 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 20:07:38,831 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 29 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:38,834 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2021-10-21 20:07:38,834 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:38,835 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:38,835 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 20:07:38,835 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:07:38,842 INFO L791 eck$LassoCheckResult]: Stem: 19#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 10#L-1true havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 9#L31true assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 16#L22-3true [2021-10-21 20:07:38,842 INFO L793 eck$LassoCheckResult]: Loop: 16#L22-3true assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 14#L23true assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 28#L23-2true max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 11#L22-2true max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 16#L22-3true [2021-10-21 20:07:38,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:38,848 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-10-21 20:07:38,857 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:38,858 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467542527] [2021-10-21 20:07:38,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:38,859 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:39,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:39,047 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:39,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:39,151 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:39,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:39,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1326822, now seen corresponding path program 1 times [2021-10-21 20:07:39,166 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:39,166 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020718909] [2021-10-21 20:07:39,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:39,169 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:39,187 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:39,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:39,209 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:39,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:39,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1805089543, now seen corresponding path program 1 times [2021-10-21 20:07:39,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:39,216 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136305240] [2021-10-21 20:07:39,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:39,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:39,267 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:39,302 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:40,290 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:07:40,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:07:40,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:07:40,291 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:07:40,291 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:07:40,291 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:40,291 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:07:40,292 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:07:40,292 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration1_Lasso [2021-10-21 20:07:40,292 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:07:40,292 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:07:40,323 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 20:07:40,329 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 20:07:40,332 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 20:07:40,334 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 20:07:40,340 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,343 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 20:07:40,346 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,349 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,352 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,357 INFO 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 20:07:40,360 INFO 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 20:07:40,362 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,366 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,368 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,370 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,373 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,375 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,939 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:40,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:41,352 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:07:41,356 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:07:41,358 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,359 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 20:07:41,363 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 20:07:41,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,374 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,375 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,431 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,432 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,446 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:41,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,455 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 20:07:41,469 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,508 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,510 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:41,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,525 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,525 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,525 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,526 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 20:07:41,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,555 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,557 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,559 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,562 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 20:07:41,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 20:07:41,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,575 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:41,575 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:41,588 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,611 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,612 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,613 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 20:07:41,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:41,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,624 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,626 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,652 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,653 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 20:07:41,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:41,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,664 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,664 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,690 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,693 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,694 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 20:07:41,697 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:41,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,706 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,721 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,742 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,743 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 20:07:41,744 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:41,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,751 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,752 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,752 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,780 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 20:07:41,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:41,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,789 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,790 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,790 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,815 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,817 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 20:07:41,819 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:41,826 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,827 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,827 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,827 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,831 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:41,831 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:41,861 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,891 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-21 20:07:41,897 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 20:07:41,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,906 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,907 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,907 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-10-21 20:07:41,930 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,931 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-21 20:07:41,935 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:41,942 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:41,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:41,972 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:41,972 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:41,973 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:41,983 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:41,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-21 20:07:41,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:41,993 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:41,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:41,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:41,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:41,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:41,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:41,995 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,017 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,018 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-21 20:07:42,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:42,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:42,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,031 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:42,031 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:42,042 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,068 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,068 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-21 20:07:42,072 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,080 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:42,080 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,081 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:42,081 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:42,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,116 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,117 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-21 20:07:42,122 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:42,130 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,130 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,130 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:42,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:42,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,154 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,155 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-21 20:07:42,160 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,167 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,168 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,168 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,168 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,222 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,223 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-21 20:07:42,227 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,235 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,257 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,298 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,302 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,316 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-21 20:07:42,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,365 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,365 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,366 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:42,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-21 20:07:42,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,383 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,383 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,445 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,445 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,446 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-21 20:07:42,447 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,458 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,535 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,536 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-21 20:07:42,542 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:42,552 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,552 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,555 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,555 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,577 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,617 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,617 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,622 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,626 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,636 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,636 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,636 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,639 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,639 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-21 20:07:42,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2021-10-21 20:07:42,679 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,680 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-21 20:07:42,681 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,691 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,749 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,749 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-21 20:07:42,751 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:42,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2021-10-21 20:07:42,810 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,811 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-21 20:07:42,812 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:42,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,820 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,820 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,820 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,823 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,823 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,829 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,850 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,851 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,854 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 20:07:42,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-10-21 20:07:42,862 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,862 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,862 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,862 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,866 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,866 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:42,937 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:42,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:42,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:42,938 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:42,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-10-21 20:07:42,941 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:42,948 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:42,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:42,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:42,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:42,950 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:42,950 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:42,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:43,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2021-10-21 20:07:43,005 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:43,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:43,006 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:43,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-10-21 20:07:43,007 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:43,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:43,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:43,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:43,015 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:43,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:43,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:43,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:43,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2021-10-21 20:07:43,044 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:43,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:43,045 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:43,046 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:43,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-10-21 20:07:43,053 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:43,053 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:43,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:43,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:43,055 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:43,055 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:43,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:43,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2021-10-21 20:07:43,087 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:43,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:43,088 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:43,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2021-10-21 20:07:43,090 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:43,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:43,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:43,097 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:43,097 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:43,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:43,111 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:43,120 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:07:43,169 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2021-10-21 20:07:43,169 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 14 variables to zero. [2021-10-21 20:07:43,171 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:43,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:43,185 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:43,229 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2021-10-21 20:07:43,230 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:07:43,263 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:07:43,263 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:07:43,264 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1, ULTIMATE.start_max_~i~0) = 1*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_1 - 4*ULTIMATE.start_max_~i~0 Supporting invariants [1*ULTIMATE.start_max_~x.offset >= 0] [2021-10-21 20:07:43,334 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:43,455 INFO L297 tatePredicateManager]: 37 out of 39 supporting invariants were superfluous and have been removed [2021-10-21 20:07:43,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:43,528 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-21 20:07:43,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:43,549 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-21 20:07:43,550 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:43,650 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 20:07:43,666 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:07:43,668 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 30 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 29 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 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 20:07:43,693 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2021-10-21 20:07:43,769 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 30 states, 29 states have (on average 1.4482758620689655) internal successors, (42), 29 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 63 states and 87 transitions. Complement of second has 8 states. [2021-10-21 20:07:43,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:07:43,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 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 20:07:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 46 transitions. [2021-10-21 20:07:43,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-21 20:07:43,777 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:43,777 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-21 20:07:43,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:43,778 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 46 transitions. Stem has 3 letters. Loop has 8 letters. [2021-10-21 20:07:43,778 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:43,779 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 63 states and 87 transitions. [2021-10-21 20:07:43,794 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:43,799 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 63 states to 23 states and 32 transitions. [2021-10-21 20:07:43,800 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2021-10-21 20:07:43,801 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-21 20:07:43,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2021-10-21 20:07:43,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:07:43,802 INFO L681 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-10-21 20:07:43,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2021-10-21 20:07:43,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-21 20:07:43,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 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 20:07:43,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 32 transitions. [2021-10-21 20:07:43,827 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-10-21 20:07:43,827 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 32 transitions. [2021-10-21 20:07:43,827 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 20:07:43,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 32 transitions. [2021-10-21 20:07:43,829 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:43,830 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:43,830 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:43,830 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-21 20:07:43,830 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:07:43,831 INFO L791 eck$LassoCheckResult]: Stem: 307#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 308#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 319#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 320#L22-3 assume !(max_~i~0 < ~N~0); 321#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 315#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 314#L22-8 [2021-10-21 20:07:43,831 INFO L793 eck$LassoCheckResult]: Loop: 314#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 317#L23-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 305#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 306#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 314#L22-8 [2021-10-21 20:07:43,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:43,832 INFO L82 PathProgramCache]: Analyzing trace with hash 889511083, now seen corresponding path program 1 times [2021-10-21 20:07:43,832 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:43,836 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164088374] [2021-10-21 20:07:43,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:43,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:43,950 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 20:07:43,950 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:43,951 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164088374] [2021-10-21 20:07:43,951 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164088374] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:43,952 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:43,952 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 20:07:43,952 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088183167] [2021-10-21 20:07:43,957 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:07:43,957 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:43,958 INFO L82 PathProgramCache]: Analyzing trace with hash 2034854, now seen corresponding path program 1 times [2021-10-21 20:07:43,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:43,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559910374] [2021-10-21 20:07:43,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:43,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:43,976 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:43,995 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:44,059 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:44,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 20:07:44,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 20:07:44,064 INFO L87 Difference]: Start difference. First operand 23 states and 32 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:44,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:44,116 INFO L93 Difference]: Finished difference Result 26 states and 33 transitions. [2021-10-21 20:07:44,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 20:07:44,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 33 transitions. [2021-10-21 20:07:44,119 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:44,121 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 26 states and 33 transitions. [2021-10-21 20:07:44,121 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 20:07:44,121 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-21 20:07:44,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 33 transitions. [2021-10-21 20:07:44,122 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:07:44,122 INFO L681 BuchiCegarLoop]: Abstraction has 26 states and 33 transitions. [2021-10-21 20:07:44,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 33 transitions. [2021-10-21 20:07:44,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2021-10-21 20:07:44,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.2608695652173914) internal successors, (29), 22 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:44,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 29 transitions. [2021-10-21 20:07:44,126 INFO L704 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-10-21 20:07:44,126 INFO L587 BuchiCegarLoop]: Abstraction has 23 states and 29 transitions. [2021-10-21 20:07:44,126 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 20:07:44,127 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 29 transitions. [2021-10-21 20:07:44,129 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:44,129 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:44,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:44,130 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:44,130 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:07:44,130 INFO L791 eck$LassoCheckResult]: Stem: 362#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 363#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 374#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 375#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 380#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 379#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 377#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 378#L22-3 assume !(max_~i~0 < ~N~0); 376#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 369#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 370#L22-8 [2021-10-21 20:07:44,132 INFO L793 eck$LassoCheckResult]: Loop: 370#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 372#L23-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 358#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 359#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 370#L22-8 [2021-10-21 20:07:44,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:44,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1805667996, now seen corresponding path program 1 times [2021-10-21 20:07:44,143 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:44,143 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82597460] [2021-10-21 20:07:44,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:44,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:44,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:44,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:44,218 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:44,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82597460] [2021-10-21 20:07:44,219 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82597460] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:44,219 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412766792] [2021-10-21 20:07:44,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:44,219 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:44,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:44,220 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:44,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2021-10-21 20:07:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:44,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:07:44,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:44,394 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412766792] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:44,395 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:44,395 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-10-21 20:07:44,395 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699696018] [2021-10-21 20:07:44,396 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:07:44,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:44,399 INFO L82 PathProgramCache]: Analyzing trace with hash 2034854, now seen corresponding path program 2 times [2021-10-21 20:07:44,399 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:44,399 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749838319] [2021-10-21 20:07:44,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:44,400 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:44,423 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:44,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:44,434 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:44,500 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:44,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-21 20:07:44,501 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-21 20:07:44,501 INFO L87 Difference]: Start difference. First operand 23 states and 29 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 6 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 20:07:44,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:44,586 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2021-10-21 20:07:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-21 20:07:44,587 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 38 transitions. [2021-10-21 20:07:44,589 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:44,590 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 38 transitions. [2021-10-21 20:07:44,590 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2021-10-21 20:07:44,590 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2021-10-21 20:07:44,591 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 38 transitions. [2021-10-21 20:07:44,591 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:07:44,591 INFO L681 BuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-21 20:07:44,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 38 transitions. [2021-10-21 20:07:44,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2021-10-21 20:07:44,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 26 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:44,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 34 transitions. [2021-10-21 20:07:44,598 INFO L704 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-21 20:07:44,598 INFO L587 BuchiCegarLoop]: Abstraction has 27 states and 34 transitions. [2021-10-21 20:07:44,598 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-21 20:07:44,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 34 transitions. [2021-10-21 20:07:44,601 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:44,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:44,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:44,602 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:44,603 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:07:44,603 INFO L791 eck$LassoCheckResult]: Stem: 451#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 452#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 463#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 464#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 471#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 473#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 466#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 467#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 470#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 468#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 469#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 472#L22-3 assume !(max_~i~0 < ~N~0); 465#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 458#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 459#L22-8 [2021-10-21 20:07:44,603 INFO L793 eck$LassoCheckResult]: Loop: 459#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 461#L23-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 447#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 448#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 459#L22-8 [2021-10-21 20:07:44,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:44,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1818198429, now seen corresponding path program 2 times [2021-10-21 20:07:44,604 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:44,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952668248] [2021-10-21 20:07:44,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:44,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:44,657 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:44,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:44,712 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:44,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:44,717 INFO L82 PathProgramCache]: Analyzing trace with hash 2034854, now seen corresponding path program 3 times [2021-10-21 20:07:44,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:44,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784470872] [2021-10-21 20:07:44,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:44,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:44,731 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:44,740 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:44,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:44,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1198284866, now seen corresponding path program 1 times [2021-10-21 20:07:44,741 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:44,741 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478239117] [2021-10-21 20:07:44,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:44,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:44,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:45,100 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:45,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478239117] [2021-10-21 20:07:45,101 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478239117] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:45,101 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9894550] [2021-10-21 20:07:45,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:45,101 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:45,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:45,102 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:45,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2021-10-21 20:07:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:45,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 33 conjunts are in the unsatisfiable core [2021-10-21 20:07:45,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:45,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 18 [2021-10-21 20:07:45,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-10-21 20:07:45,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:45,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [9894550] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:45,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:45,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-10-21 20:07:45,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856267509] [2021-10-21 20:07:45,607 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:45,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-10-21 20:07:45,608 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-10-21 20:07:45,608 INFO L87 Difference]: Start difference. First operand 27 states and 34 transitions. cyclomatic complexity: 11 Second operand has 15 states, 15 states have (on average 1.8666666666666667) internal successors, (28), 15 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:46,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:46,313 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2021-10-21 20:07:46,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 20:07:46,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 102 transitions. [2021-10-21 20:07:46,315 INFO L131 ngComponentsAnalysis]: Automaton has 7 accepting balls. 22 [2021-10-21 20:07:46,318 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 102 transitions. [2021-10-21 20:07:46,318 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 62 [2021-10-21 20:07:46,318 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 62 [2021-10-21 20:07:46,318 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 102 transitions. [2021-10-21 20:07:46,319 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:07:46,319 INFO L681 BuchiCegarLoop]: Abstraction has 80 states and 102 transitions. [2021-10-21 20:07:46,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 102 transitions. [2021-10-21 20:07:46,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 39. [2021-10-21 20:07:46,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.2820512820512822) internal successors, (50), 38 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:46,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2021-10-21 20:07:46,324 INFO L704 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2021-10-21 20:07:46,324 INFO L587 BuchiCegarLoop]: Abstraction has 39 states and 50 transitions. [2021-10-21 20:07:46,324 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-10-21 20:07:46,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 50 transitions. [2021-10-21 20:07:46,325 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:46,325 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:46,325 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:46,330 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:46,330 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:07:46,330 INFO L791 eck$LassoCheckResult]: Stem: 641#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 642#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 653#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 654#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 662#L23 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 667#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 675#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 674#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 671#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 673#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 672#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 670#L22-3 assume !(max_~i~0 < ~N~0); 669#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 648#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 649#L22-8 [2021-10-21 20:07:46,330 INFO L793 eck$LassoCheckResult]: Loop: 649#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 651#L23-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 637#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 638#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 649#L22-8 [2021-10-21 20:07:46,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:46,331 INFO L82 PathProgramCache]: Analyzing trace with hash -2083741857, now seen corresponding path program 1 times [2021-10-21 20:07:46,331 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:46,331 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574854741] [2021-10-21 20:07:46,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:46,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:46,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:46,363 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:46,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:46,406 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:46,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:46,407 INFO L82 PathProgramCache]: Analyzing trace with hash 2034854, now seen corresponding path program 4 times [2021-10-21 20:07:46,407 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:46,407 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367757494] [2021-10-21 20:07:46,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:46,408 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:46,421 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:46,428 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:46,428 INFO L82 PathProgramCache]: Analyzing trace with hash -2085565180, now seen corresponding path program 1 times [2021-10-21 20:07:46,429 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:46,429 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358385273] [2021-10-21 20:07:46,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:46,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:46,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:46,462 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:46,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:46,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:47,949 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:07:47,950 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:07:47,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:07:47,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:07:47,950 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:07:47,950 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:47,950 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:07:47,951 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:07:47,951 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration5_Lasso [2021-10-21 20:07:47,951 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:07:47,951 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:07:47,956 INFO 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 20:07:48,900 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,902 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,904 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,906 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,909 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,910 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,912 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,914 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,917 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,930 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,933 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,935 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:48,938 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:49,364 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:07:49,364 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:07:49,364 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,365 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,395 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,411 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:49,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,421 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:49,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:49,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:49,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:49,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2021-10-21 20:07:49,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,442 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:49,443 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,443 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2021-10-21 20:07:49,445 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:49,451 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,452 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:49,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,455 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:49,455 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:49,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:49,509 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,510 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2021-10-21 20:07:49,530 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 20:07:49,538 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:49,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:49,539 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,539 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,539 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:49,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:49,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:49,590 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,594 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,597 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:49,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:49,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,611 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:49,611 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:49,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2021-10-21 20:07:49,625 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:49,666 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,670 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:49,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,688 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 20:07:49,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,691 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 20:07:49,691 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:49,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2021-10-21 20:07:49,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:49,741 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,743 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:49,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,755 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:49,755 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:49,755 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,756 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:49,756 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:49,758 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2021-10-21 20:07:49,773 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,812 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:49,812 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,813 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:49,824 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,824 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:49,824 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,826 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:49,826 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:49,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2021-10-21 20:07:49,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:49,884 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,885 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:49,898 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:49,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,898 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,900 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:49,900 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:49,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2021-10-21 20:07:49,904 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2021-10-21 20:07:49,926 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,927 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,934 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:49,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2021-10-21 20:07:49,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:49,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:49,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:49,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:49,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:49,944 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:49,944 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:49,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:49,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:49,990 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:49,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:49,994 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:49,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:50,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:50,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:50,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:50,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:50,013 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:50,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:50,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2021-10-21 20:07:50,035 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:07:50,112 INFO L443 ModelExtractionUtils]: Simplification made 26 calls to the SMT solver. [2021-10-21 20:07:50,113 INFO L444 ModelExtractionUtils]: 2 out of 31 variables were initially zero. Simplification set additionally 23 variables to zero. [2021-10-21 20:07:50,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:50,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:50,114 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:50,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2021-10-21 20:07:50,122 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:07:50,130 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-10-21 20:07:50,130 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:07:50,130 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0, ULTIMATE.start_max_~x.offset) = -4*ULTIMATE.start_max_~i~0 - 1*ULTIMATE.start_max_~x.offset + 10 Supporting invariants [-1*v_rep(select #length ULTIMATE.start_max_~x.base)_2 + 8 >= 0] [2021-10-21 20:07:50,149 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2021-10-21 20:07:50,339 INFO L297 tatePredicateManager]: 55 out of 56 supporting invariants were superfluous and have been removed [2021-10-21 20:07:50,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:50,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:50,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-21 20:07:50,400 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:50,425 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-10-21 20:07:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:50,697 INFO L263 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:07:50,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:50,756 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 20:07:50,756 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2021-10-21 20:07:50,757 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 39 states and 50 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 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 20:07:50,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:50,919 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 39 states and 50 transitions. cyclomatic complexity: 16. Second operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 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 80 states and 109 transitions. Complement of second has 12 states. [2021-10-21 20:07:50,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2021-10-21 20:07:50,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 2.5714285714285716) internal successors, (18), 7 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 20:07:50,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 40 transitions. [2021-10-21 20:07:50,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 14 letters. Loop has 4 letters. [2021-10-21 20:07:50,920 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:50,920 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 18 letters. Loop has 4 letters. [2021-10-21 20:07:50,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:50,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 40 transitions. Stem has 14 letters. Loop has 8 letters. [2021-10-21 20:07:50,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:50,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 109 transitions. [2021-10-21 20:07:50,923 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 12 [2021-10-21 20:07:50,924 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 71 states and 94 transitions. [2021-10-21 20:07:50,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 33 [2021-10-21 20:07:50,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2021-10-21 20:07:50,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 71 states and 94 transitions. [2021-10-21 20:07:50,926 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:07:50,926 INFO L681 BuchiCegarLoop]: Abstraction has 71 states and 94 transitions. [2021-10-21 20:07:50,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states and 94 transitions. [2021-10-21 20:07:50,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 57. [2021-10-21 20:07:50,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.3157894736842106) internal successors, (75), 56 states have internal predecessors, (75), 0 states have call successors, (0), 0 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 20:07:50,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2021-10-21 20:07:50,932 INFO L704 BuchiCegarLoop]: Abstraction has 57 states and 75 transitions. [2021-10-21 20:07:50,932 INFO L587 BuchiCegarLoop]: Abstraction has 57 states and 75 transitions. [2021-10-21 20:07:50,932 INFO L425 BuchiCegarLoop]: ======== Iteration 6============ [2021-10-21 20:07:50,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 75 transitions. [2021-10-21 20:07:50,933 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:50,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:50,933 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:50,934 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:50,934 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:07:50,935 INFO L791 eck$LassoCheckResult]: Stem: 1087#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1088#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1102#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1103#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1111#L23 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1131#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1129#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1127#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1126#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1123#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1121#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1119#L22-3 assume !(max_~i~0 < ~N~0); 1117#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1115#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1113#L22-8 assume !(max_~i~0 < ~N~0); 1098#L22-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1097#L25-1 main_#t~ret11 := max_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1093#L43-3 [2021-10-21 20:07:50,935 INFO L793 eck$LassoCheckResult]: Loop: 1093#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1092#L43-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1093#L43-3 [2021-10-21 20:07:50,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:50,935 INFO L82 PathProgramCache]: Analyzing trace with hash -1591298555, now seen corresponding path program 1 times [2021-10-21 20:07:50,936 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:50,936 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510918890] [2021-10-21 20:07:50,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:50,936 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:50,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:50,970 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:07:50,971 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:50,971 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510918890] [2021-10-21 20:07:50,971 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510918890] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:07:50,971 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:07:50,972 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:07:50,972 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453159136] [2021-10-21 20:07:50,972 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:07:50,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:50,973 INFO L82 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 1 times [2021-10-21 20:07:50,973 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:50,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415230388] [2021-10-21 20:07:50,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:50,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:50,978 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:50,982 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:51,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:51,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:07:51,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:07:51,050 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. cyclomatic complexity: 24 Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:51,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:51,096 INFO L93 Difference]: Finished difference Result 68 states and 86 transitions. [2021-10-21 20:07:51,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:07:51,097 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 68 states and 86 transitions. [2021-10-21 20:07:51,098 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:51,099 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 68 states to 68 states and 86 transitions. [2021-10-21 20:07:51,099 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2021-10-21 20:07:51,099 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2021-10-21 20:07:51,099 INFO L73 IsDeterministic]: Start isDeterministic. Operand 68 states and 86 transitions. [2021-10-21 20:07:51,100 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:07:51,100 INFO L681 BuchiCegarLoop]: Abstraction has 68 states and 86 transitions. [2021-10-21 20:07:51,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states and 86 transitions. [2021-10-21 20:07:51,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 58. [2021-10-21 20:07:51,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.2586206896551724) internal successors, (73), 57 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:51,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 73 transitions. [2021-10-21 20:07:51,105 INFO L704 BuchiCegarLoop]: Abstraction has 58 states and 73 transitions. [2021-10-21 20:07:51,105 INFO L587 BuchiCegarLoop]: Abstraction has 58 states and 73 transitions. [2021-10-21 20:07:51,106 INFO L425 BuchiCegarLoop]: ======== Iteration 7============ [2021-10-21 20:07:51,106 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 73 transitions. [2021-10-21 20:07:51,107 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:51,107 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:51,107 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:51,108 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:51,108 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:07:51,108 INFO L791 eck$LassoCheckResult]: Stem: 1219#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1220#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1234#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1235#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1241#L23 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1238#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1236#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1237#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1239#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1240#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1269#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1266#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1257#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1268#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1265#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1256#L22-3 assume !(max_~i~0 < ~N~0); 1252#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1249#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1246#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1244#L23-3 [2021-10-21 20:07:51,108 INFO L793 eck$LassoCheckResult]: Loop: 1244#L23-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1213#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1214#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1228#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1244#L23-3 [2021-10-21 20:07:51,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:51,109 INFO L82 PathProgramCache]: Analyzing trace with hash 209733900, now seen corresponding path program 1 times [2021-10-21 20:07:51,109 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:51,109 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126661650] [2021-10-21 20:07:51,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:51,110 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:51,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:51,125 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:51,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:51,144 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:51,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:51,145 INFO L82 PathProgramCache]: Analyzing trace with hash 2128124, now seen corresponding path program 5 times [2021-10-21 20:07:51,145 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:51,145 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225157985] [2021-10-21 20:07:51,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:51,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:51,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:51,150 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:51,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:51,153 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:51,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:51,154 INFO L82 PathProgramCache]: Analyzing trace with hash -772848505, now seen corresponding path program 2 times [2021-10-21 20:07:51,154 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:51,155 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47870481] [2021-10-21 20:07:51,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:51,155 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:51,172 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:51,193 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:52,783 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:07:52,783 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:07:52,783 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:07:52,783 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:07:52,783 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:07:52,783 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:52,783 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:07:52,783 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:07:52,783 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration7_Lasso [2021-10-21 20:07:52,783 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:07:52,784 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:07:52,788 INFO 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 20:07:52,793 INFO 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 20:07:52,794 INFO 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 20:07:52,796 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:52,798 INFO 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 20:07:52,801 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:52,803 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:52,805 INFO 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 20:07:52,807 INFO 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 20:07:52,810 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:52,811 INFO 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 20:07:52,831 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:52,833 INFO 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 20:07:52,835 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:52,836 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:53,859 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:53,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:53,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:53,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:53,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:07:54,309 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:07:54,309 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:07:54,309 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,338 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,339 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2021-10-21 20:07:54,365 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,392 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2021-10-21 20:07:54,392 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,393 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,394 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2021-10-21 20:07:54,394 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:07:54,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,403 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,404 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2021-10-21 20:07:54,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,427 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2021-10-21 20:07:54,428 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,436 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,436 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,437 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,456 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,477 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:54,477 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,478 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2021-10-21 20:07:54,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:54,489 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:54,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:54,512 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,512 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,514 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2021-10-21 20:07:54,521 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,521 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,521 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,521 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,521 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,521 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,522 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,522 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2021-10-21 20:07:54,549 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,550 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,552 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 20:07:54,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2021-10-21 20:07:54,560 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,561 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,561 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,562 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:54,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,583 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2021-10-21 20:07:54,584 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,593 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2021-10-21 20:07:54,613 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,614 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2021-10-21 20:07:54,615 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,622 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,623 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2021-10-21 20:07:54,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,644 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2021-10-21 20:07:54,645 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 20:07:54,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,653 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,653 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,653 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:54,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:54,657 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2021-10-21 20:07:54,678 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,679 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2021-10-21 20:07:54,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,688 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,689 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,689 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,710 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2021-10-21 20:07:54,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,711 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2021-10-21 20:07:54,713 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 20:07:54,721 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,721 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,721 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,721 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,721 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,721 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,721 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2021-10-21 20:07:54,761 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,762 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2021-10-21 20:07:54,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,771 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,771 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,772 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,797 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2021-10-21 20:07:54,797 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,797 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,798 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2021-10-21 20:07:54,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,806 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,806 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,806 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,806 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,806 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,807 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:54,827 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,828 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,828 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2021-10-21 20:07:54,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:07:54,837 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,837 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:07:54,837 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,837 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,837 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,838 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:07:54,838 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:07:54,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:07:54,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:54,860 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,861 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2021-10-21 20:07:54,863 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 20:07:54,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:07:54,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:07:54,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:07:54,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:07:54,880 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:07:54,880 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:07:54,905 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:07:54,944 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-21 20:07:54,944 INFO L444 ModelExtractionUtils]: 2 out of 31 variables were initially zero. Simplification set additionally 26 variables to zero. [2021-10-21 20:07:54,944 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:07:54,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:54,956 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:07:54,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2021-10-21 20:07:54,957 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:07:54,965 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:07:54,965 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:07:54,966 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0, ~N~0) = -1*ULTIMATE.start_max_~i~0 + 1*~N~0 Supporting invariants [] [2021-10-21 20:07:54,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:55,200 INFO L297 tatePredicateManager]: 66 out of 66 supporting invariants were superfluous and have been removed [2021-10-21 20:07:55,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:55,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:07:55,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:55,321 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:07:55,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:55,349 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 20:07:55,350 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:07:55,351 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 58 states and 73 transitions. cyclomatic complexity: 21 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 20:07:55,381 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 58 states and 73 transitions. cyclomatic complexity: 21. 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 71 states and 95 transitions. Complement of second has 7 states. [2021-10-21 20:07:55,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:07:55,382 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 20:07:55,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2021-10-21 20:07:55,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 19 letters. Loop has 4 letters. [2021-10-21 20:07:55,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:55,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 23 letters. Loop has 4 letters. [2021-10-21 20:07:55,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:55,383 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 19 letters. Loop has 8 letters. [2021-10-21 20:07:55,384 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:07:55,384 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 95 transitions. [2021-10-21 20:07:55,385 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:07:55,386 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 65 states and 87 transitions. [2021-10-21 20:07:55,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2021-10-21 20:07:55,386 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 33 [2021-10-21 20:07:55,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 87 transitions. [2021-10-21 20:07:55,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:07:55,387 INFO L681 BuchiCegarLoop]: Abstraction has 65 states and 87 transitions. [2021-10-21 20:07:55,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 87 transitions. [2021-10-21 20:07:55,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 58. [2021-10-21 20:07:55,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 57 states have internal predecessors, (77), 0 states have call successors, (0), 0 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 20:07:55,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2021-10-21 20:07:55,392 INFO L704 BuchiCegarLoop]: Abstraction has 58 states and 77 transitions. [2021-10-21 20:07:55,392 INFO L587 BuchiCegarLoop]: Abstraction has 58 states and 77 transitions. [2021-10-21 20:07:55,392 INFO L425 BuchiCegarLoop]: ======== Iteration 8============ [2021-10-21 20:07:55,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 58 states and 77 transitions. [2021-10-21 20:07:55,393 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:07:55,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:55,393 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:55,394 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:55,394 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:07:55,394 INFO L791 eck$LassoCheckResult]: Stem: 1705#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1706#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1718#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1719#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1729#L23 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1750#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1748#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1746#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1745#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1742#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1741#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1740#L22-3 assume !(max_~i~0 < ~N~0); 1720#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1714#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1715#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1716#L23-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1699#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1700#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1712#L22-8 assume !(max_~i~0 < ~N~0); 1723#L22-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1717#L25-1 main_#t~ret11 := max_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1711#L43-3 [2021-10-21 20:07:55,394 INFO L793 eck$LassoCheckResult]: Loop: 1711#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1710#L43-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1711#L43-3 [2021-10-21 20:07:55,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:55,395 INFO L82 PathProgramCache]: Analyzing trace with hash -18080898, now seen corresponding path program 1 times [2021-10-21 20:07:55,395 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:55,395 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114460401] [2021-10-21 20:07:55,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:55,396 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:55,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:55,438 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:07:55,438 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:55,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114460401] [2021-10-21 20:07:55,438 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114460401] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:55,438 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542925740] [2021-10-21 20:07:55,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:55,439 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:55,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:55,440 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:55,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2021-10-21 20:07:55,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:55,567 INFO L263 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:07:55,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:55,599 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2021-10-21 20:07:55,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-10-21 20:07:55,681 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542925740] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:55,681 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:55,681 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-10-21 20:07:55,681 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238253242] [2021-10-21 20:07:55,682 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:07:55,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:55,683 INFO L82 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 2 times [2021-10-21 20:07:55,683 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:55,683 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325279828] [2021-10-21 20:07:55,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:55,683 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:55,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:55,690 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:55,695 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:55,750 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:55,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 20:07:55,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=22, Unknown=0, NotChecked=0, Total=42 [2021-10-21 20:07:55,751 INFO L87 Difference]: Start difference. First operand 58 states and 77 transitions. cyclomatic complexity: 24 Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:55,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:55,854 INFO L93 Difference]: Finished difference Result 78 states and 104 transitions. [2021-10-21 20:07:55,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 20:07:55,855 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 78 states and 104 transitions. [2021-10-21 20:07:55,856 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:07:55,857 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 78 states to 75 states and 96 transitions. [2021-10-21 20:07:55,858 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2021-10-21 20:07:55,858 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2021-10-21 20:07:55,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 75 states and 96 transitions. [2021-10-21 20:07:55,858 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:07:55,858 INFO L681 BuchiCegarLoop]: Abstraction has 75 states and 96 transitions. [2021-10-21 20:07:55,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states and 96 transitions. [2021-10-21 20:07:55,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 59. [2021-10-21 20:07:55,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 59 states have (on average 1.271186440677966) internal successors, (75), 58 states have internal predecessors, (75), 0 states have call successors, (0), 0 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 20:07:55,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 75 transitions. [2021-10-21 20:07:55,864 INFO L704 BuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2021-10-21 20:07:55,864 INFO L587 BuchiCegarLoop]: Abstraction has 59 states and 75 transitions. [2021-10-21 20:07:55,864 INFO L425 BuchiCegarLoop]: ======== Iteration 9============ [2021-10-21 20:07:55,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 59 states and 75 transitions. [2021-10-21 20:07:55,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:07:55,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:55,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:55,866 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:55,866 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:07:55,867 INFO L791 eck$LassoCheckResult]: Stem: 1913#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 1914#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 1928#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1929#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1935#L23 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 1934#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1931#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1932#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1937#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1949#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1947#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1944#L22-3 assume !(max_~i~0 < ~N~0); 1941#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1940#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 1924#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1925#L23-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1909#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1910#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1923#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 1926#L23-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 1907#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 1908#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 1922#L22-8 assume !(max_~i~0 < ~N~0); 1933#L22-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 1927#L25-1 main_#t~ret11 := max_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 1919#L43-3 [2021-10-21 20:07:55,867 INFO L793 eck$LassoCheckResult]: Loop: 1919#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 1918#L43-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 1919#L43-3 [2021-10-21 20:07:55,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:55,867 INFO L82 PathProgramCache]: Analyzing trace with hash -2011161481, now seen corresponding path program 2 times [2021-10-21 20:07:55,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:55,868 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65083882] [2021-10-21 20:07:55,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:55,868 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:55,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:07:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 20:07:56,216 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:07:56,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65083882] [2021-10-21 20:07:56,216 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65083882] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:56,216 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748865778] [2021-10-21 20:07:56,216 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2021-10-21 20:07:56,216 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 20:07:56,216 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:07:56,217 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 20:07:56,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2021-10-21 20:07:56,332 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-10-21 20:07:56,332 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-10-21 20:07:56,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 32 conjunts are in the unsatisfiable core [2021-10-21 20:07:56,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:07:56,555 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-10-21 20:07:56,556 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 21 [2021-10-21 20:07:56,774 INFO L354 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2021-10-21 20:07:56,774 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 23 [2021-10-21 20:07:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 20:07:56,810 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748865778] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 20:07:56,810 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 20:07:56,810 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 18 [2021-10-21 20:07:56,810 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458440413] [2021-10-21 20:07:56,811 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:07:56,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:56,811 INFO L82 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 3 times [2021-10-21 20:07:56,811 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:56,812 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047661335] [2021-10-21 20:07:56,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:56,812 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:56,817 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:56,820 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:56,876 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:07:56,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-10-21 20:07:56,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2021-10-21 20:07:56,877 INFO L87 Difference]: Start difference. First operand 59 states and 75 transitions. cyclomatic complexity: 21 Second operand has 18 states, 18 states have (on average 2.0) internal successors, (36), 18 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:07:57,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:07:57,412 INFO L93 Difference]: Finished difference Result 112 states and 144 transitions. [2021-10-21 20:07:57,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-10-21 20:07:57,412 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 112 states and 144 transitions. [2021-10-21 20:07:57,413 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2021-10-21 20:07:57,415 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 112 states to 112 states and 144 transitions. [2021-10-21 20:07:57,415 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 60 [2021-10-21 20:07:57,415 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2021-10-21 20:07:57,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 144 transitions. [2021-10-21 20:07:57,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:07:57,416 INFO L681 BuchiCegarLoop]: Abstraction has 112 states and 144 transitions. [2021-10-21 20:07:57,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 144 transitions. [2021-10-21 20:07:57,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 78. [2021-10-21 20:07:57,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 78 states have (on average 1.2820512820512822) internal successors, (100), 77 states have internal predecessors, (100), 0 states have call successors, (0), 0 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 20:07:57,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2021-10-21 20:07:57,426 INFO L704 BuchiCegarLoop]: Abstraction has 78 states and 100 transitions. [2021-10-21 20:07:57,426 INFO L587 BuchiCegarLoop]: Abstraction has 78 states and 100 transitions. [2021-10-21 20:07:57,427 INFO L425 BuchiCegarLoop]: ======== Iteration 10============ [2021-10-21 20:07:57,427 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states and 100 transitions. [2021-10-21 20:07:57,428 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2021-10-21 20:07:57,428 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:07:57,428 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:07:57,429 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:07:57,429 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-21 20:07:57,429 INFO L791 eck$LassoCheckResult]: Stem: 2187#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 2188#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 2201#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2202#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2209#L23 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2207#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2208#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2211#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2212#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2245#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2243#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2240#L22-3 assume !(max_~i~0 < ~N~0); 2238#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2236#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2234#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2232#L23-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2183#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2184#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2197#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2199#L23-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2181#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2182#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2196#L22-8 assume !(max_~i~0 < ~N~0); 2206#L22-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2200#L25-1 main_#t~ret11 := max_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 2193#L43-3 [2021-10-21 20:07:57,430 INFO L793 eck$LassoCheckResult]: Loop: 2193#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 2192#L43-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 2193#L43-3 [2021-10-21 20:07:57,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:57,430 INFO L82 PathProgramCache]: Analyzing trace with hash -1618134471, now seen corresponding path program 1 times [2021-10-21 20:07:57,430 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:57,431 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294467848] [2021-10-21 20:07:57,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:57,431 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:57,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:57,463 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:57,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:57,503 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:57,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:57,504 INFO L82 PathProgramCache]: Analyzing trace with hash 2851, now seen corresponding path program 4 times [2021-10-21 20:07:57,504 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:57,504 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547183391] [2021-10-21 20:07:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:57,505 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:57,509 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:57,512 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:07:57,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:07:57,513 INFO L82 PathProgramCache]: Analyzing trace with hash -249063589, now seen corresponding path program 1 times [2021-10-21 20:07:57,513 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:07:57,513 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451958587] [2021-10-21 20:07:57,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:07:57,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:07:57,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:57,554 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:07:57,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:07:57,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:08:00,037 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:08:00,037 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:08:00,037 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:08:00,037 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:08:00,037 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:08:00,037 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:00,038 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:08:00,038 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:08:00,038 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration10_Lasso [2021-10-21 20:08:00,038 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:08:00,038 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:08:00,041 INFO 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 20:08:00,051 INFO 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 20:08:00,053 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 20:08:00,055 INFO 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 20:08:00,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:00,059 INFO 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 20:08:00,061 INFO 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 20:08:00,062 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 20:08:00,064 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 20:08:00,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:00,939 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-21 20:08:02,407 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:02,409 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:02,411 INFO 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 20:08:02,412 INFO 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 20:08:02,414 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 20:08:02,415 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:02,417 INFO 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 20:08:02,418 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:03,248 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:08:03,248 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:08:03,248 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,255 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2021-10-21 20:08:03,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,266 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,285 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,286 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2021-10-21 20:08:03,287 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2021-10-21 20:08:03,317 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,317 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2021-10-21 20:08:03,319 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,327 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,327 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,327 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,348 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,349 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2021-10-21 20:08:03,352 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,361 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:03,361 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:03,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2021-10-21 20:08:03,383 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,384 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,386 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:03,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2021-10-21 20:08:03,394 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,394 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,394 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,394 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,394 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,394 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,394 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2021-10-21 20:08:03,415 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,416 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2021-10-21 20:08:03,417 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,424 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,424 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,425 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,426 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2021-10-21 20:08:03,446 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,446 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2021-10-21 20:08:03,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,455 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,456 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,456 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,456 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,456 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,457 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,457 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,480 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,481 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2021-10-21 20:08:03,482 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:03,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,491 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,513 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,514 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2021-10-21 20:08:03,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,524 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:03,524 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:03,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,547 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,547 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,547 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2021-10-21 20:08:03,549 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,557 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 20:08:03,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,559 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 20:08:03,559 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:03,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,585 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,585 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2021-10-21 20:08:03,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:03,595 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,596 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:03,596 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:03,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,618 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2021-10-21 20:08:03,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,619 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2021-10-21 20:08:03,620 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,627 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,628 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,630 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2021-10-21 20:08:03,650 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,651 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2021-10-21 20:08:03,652 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,682 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,683 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2021-10-21 20:08:03,684 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:03,691 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,692 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,692 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,692 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,692 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,693 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,712 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2021-10-21 20:08:03,712 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,713 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2021-10-21 20:08:03,714 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 20:08:03,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,724 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:03,724 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:03,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,746 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,747 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2021-10-21 20:08:03,748 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 20:08:03,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,756 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:03,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:03,760 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,781 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2021-10-21 20:08:03,782 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:03,789 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,791 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:03,791 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:03,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,814 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,815 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2021-10-21 20:08:03,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:03,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2021-10-21 20:08:03,846 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,847 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2021-10-21 20:08:03,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:03,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,856 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,856 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,856 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,857 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,857 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,867 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:03,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,888 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2021-10-21 20:08:03,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:03,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:03,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,897 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:03,897 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:03,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:03,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2021-10-21 20:08:03,919 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:03,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:03,919 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:03,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2021-10-21 20:08:03,921 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 20:08:03,930 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:03,930 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:03,930 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:03,930 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:03,933 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:03,933 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:03,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:04,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:04,049 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:04,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:04,057 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:04,070 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:04,080 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:04,080 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 20:08:04,080 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:04,080 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:04,090 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 20:08:04,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:04,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2021-10-21 20:08:04,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:04,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2021-10-21 20:08:04,127 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:04,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:04,128 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:04,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2021-10-21 20:08:04,129 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 20:08:04,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:04,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:04,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:04,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:04,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:04,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:04,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:04,141 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:04,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:04,161 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:04,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:04,162 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:04,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2021-10-21 20:08:04,163 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:04,170 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:04,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:04,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:04,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:04,171 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:04,171 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:04,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:04,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2021-10-21 20:08:04,196 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:04,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:04,196 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:04,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2021-10-21 20:08:04,197 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 20:08:04,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:04,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:04,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:04,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:04,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:04,206 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:04,206 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:04,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:04,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:04,267 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:04,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:04,268 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:04,294 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:04,303 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:04,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:04,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:04,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:04,309 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:04,309 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:04,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2021-10-21 20:08:04,329 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:08:04,369 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-21 20:08:04,369 INFO L444 ModelExtractionUtils]: 3 out of 31 variables were initially zero. Simplification set additionally 24 variables to zero. [2021-10-21 20:08:04,369 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:04,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:04,371 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:04,372 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:08:04,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2021-10-21 20:08:04,394 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:08:04,394 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:08:04,395 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~#x~0.offset, v_rep(select #length ULTIMATE.start_main_~#x~0.base)_4, ULTIMATE.start_main_~i~1) = -1*ULTIMATE.start_main_~#x~0.offset + 2*v_rep(select #length ULTIMATE.start_main_~#x~0.base)_4 - 4*ULTIMATE.start_main_~i~1 Supporting invariants [] [2021-10-21 20:08:04,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:04,746 INFO L297 tatePredicateManager]: 76 out of 76 supporting invariants were superfluous and have been removed [2021-10-21 20:08:04,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:04,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:08:04,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:08:04,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:04,881 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 20:08:04,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:08:04,902 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 20:08:04,902 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:08:04,903 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 78 states and 100 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 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 20:08:04,927 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 78 states and 100 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 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 112 transitions. Complement of second has 6 states. [2021-10-21 20:08:04,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 20:08:04,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 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 20:08:04,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2021-10-21 20:08:04,930 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 25 letters. Loop has 2 letters. [2021-10-21 20:08:04,930 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:08:04,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 27 letters. Loop has 2 letters. [2021-10-21 20:08:04,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:08:04,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 25 letters. Loop has 4 letters. [2021-10-21 20:08:04,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:08:04,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 85 states and 112 transitions. [2021-10-21 20:08:04,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:08:04,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 85 states to 79 states and 102 transitions. [2021-10-21 20:08:04,934 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2021-10-21 20:08:04,935 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-21 20:08:04,935 INFO L73 IsDeterministic]: Start isDeterministic. Operand 79 states and 102 transitions. [2021-10-21 20:08:04,935 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:08:04,935 INFO L681 BuchiCegarLoop]: Abstraction has 79 states and 102 transitions. [2021-10-21 20:08:04,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states and 102 transitions. [2021-10-21 20:08:04,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-10-21 20:08:04,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2911392405063291) internal successors, (102), 78 states have internal predecessors, (102), 0 states have call successors, (0), 0 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 20:08:04,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 102 transitions. [2021-10-21 20:08:04,940 INFO L704 BuchiCegarLoop]: Abstraction has 79 states and 102 transitions. [2021-10-21 20:08:04,940 INFO L587 BuchiCegarLoop]: Abstraction has 79 states and 102 transitions. [2021-10-21 20:08:04,940 INFO L425 BuchiCegarLoop]: ======== Iteration 11============ [2021-10-21 20:08:04,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 102 transitions. [2021-10-21 20:08:04,941 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:08:04,941 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:08:04,941 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:08:04,942 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:04,943 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:08:04,943 INFO L791 eck$LassoCheckResult]: Stem: 2758#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 2759#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 2774#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2775#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2784#L23 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2812#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2825#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2823#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2821#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2819#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2817#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2814#L22-3 assume !(max_~i~0 < ~N~0); 2813#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2811#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2809#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2789#L23-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2782#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2787#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2786#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2785#L23-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2752#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2753#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2767#L22-8 assume !(max_~i~0 < ~N~0); 2769#L22-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2771#L25-1 main_#t~ret11 := max_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 2772#L43-3 assume !(main_~i~1 < ~N~0 - 1); 2760#L43-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2757#L22-13 [2021-10-21 20:08:04,943 INFO L793 eck$LassoCheckResult]: Loop: 2757#L22-13 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2761#L23-6 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2762#L23-8 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2756#L22-12 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2757#L22-13 [2021-10-21 20:08:04,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:04,944 INFO L82 PathProgramCache]: Analyzing trace with hash -249063647, now seen corresponding path program 1 times [2021-10-21 20:08:04,944 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:04,944 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442523830] [2021-10-21 20:08:04,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:04,945 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:04,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:04,985 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-10-21 20:08:04,985 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 20:08:04,985 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442523830] [2021-10-21 20:08:04,986 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442523830] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 20:08:04,986 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 20:08:04,986 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 20:08:04,986 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397250855] [2021-10-21 20:08:04,987 INFO L796 eck$LassoCheckResult]: stem already infeasible [2021-10-21 20:08:04,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:04,987 INFO L82 PathProgramCache]: Analyzing trace with hash 3173862, now seen corresponding path program 1 times [2021-10-21 20:08:04,987 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:04,987 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336629227] [2021-10-21 20:08:04,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:04,988 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:04,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:04,993 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:08:04,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:04,996 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:08:05,049 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 20:08:05,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 20:08:05,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-21 20:08:05,050 INFO L87 Difference]: Start difference. First operand 79 states and 102 transitions. cyclomatic complexity: 29 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 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 20:08:05,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 20:08:05,078 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2021-10-21 20:08:05,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 20:08:05,078 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 80 states and 102 transitions. [2021-10-21 20:08:05,080 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:08:05,081 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 80 states to 80 states and 102 transitions. [2021-10-21 20:08:05,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2021-10-21 20:08:05,081 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 36 [2021-10-21 20:08:05,082 INFO L73 IsDeterministic]: Start isDeterministic. Operand 80 states and 102 transitions. [2021-10-21 20:08:05,082 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-10-21 20:08:05,082 INFO L681 BuchiCegarLoop]: Abstraction has 80 states and 102 transitions. [2021-10-21 20:08:05,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states and 102 transitions. [2021-10-21 20:08:05,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2021-10-21 20:08:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 79 states have (on average 1.2784810126582278) internal successors, (101), 78 states have internal predecessors, (101), 0 states have call successors, (0), 0 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 20:08:05,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 101 transitions. [2021-10-21 20:08:05,087 INFO L704 BuchiCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-10-21 20:08:05,087 INFO L587 BuchiCegarLoop]: Abstraction has 79 states and 101 transitions. [2021-10-21 20:08:05,087 INFO L425 BuchiCegarLoop]: ======== Iteration 12============ [2021-10-21 20:08:05,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 79 states and 101 transitions. [2021-10-21 20:08:05,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 20:08:05,088 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 20:08:05,088 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 20:08:05,089 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 20:08:05,089 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 20:08:05,090 INFO L791 eck$LassoCheckResult]: Stem: 2924#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(6);call write~init~int(109, #t~string1.base, #t~string1.offset, 1);call write~init~int(97, #t~string1.base, 1 + #t~string1.offset, 1);call write~init~int(120, #t~string1.base, 2 + #t~string1.offset, 1);call write~init~int(46, #t~string1.base, 3 + #t~string1.offset, 1);call write~init~int(99, #t~string1.base, 4 + #t~string1.offset, 1);call write~init~int(0, #t~string1.base, 5 + #t~string1.offset, 1);~N~0 := 0; 2925#L-1 havoc main_#res;havoc main_#t~nondet7, main_#t~ret8, main_#t~mem9, main_#t~mem10, main_#t~ret11, main_#t~mem12, main_#t~mem14, main_#t~post13, main_~i~1, main_#t~ret15, main_~#x~0.base, main_~#x~0.offset, main_~temp~0, main_~ret~1, main_~ret2~0, main_~ret5~0;~N~0 := main_#t~nondet7;havoc main_#t~nondet7; 2939#L31 assume ~N~0 > 1;call main_~#x~0.base, main_~#x~0.offset := #Ultimate.allocOnStack(4 * ~N~0);havoc main_~temp~0;havoc main_~ret~1;havoc main_~ret2~0;havoc main_~ret5~0;max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2940#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2947#L23 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2979#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2993#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2991#L22-3 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2990#L23 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2989#L23-2 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2988#L22-2 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2987#L22-3 assume !(max_~i~0 < ~N~0); 2986#L22-4 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2985#L25 main_#t~ret8 := max_#res;main_~ret~1 := main_#t~ret8;havoc main_#t~ret8;call main_#t~mem9 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem9;havoc main_#t~mem9;call main_#t~mem10 := read~int(main_~#x~0.base, 4 + main_~#x~0.offset, 4);call write~int(main_#t~mem10, main_~#x~0.base, main_~#x~0.offset, 4);havoc main_#t~mem10;call write~int(main_~temp~0, main_~#x~0.base, 4 + main_~#x~0.offset, 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2983#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2954#L23-3 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2949#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2953#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2952#L22-8 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2951#L23-3 assume !(max_~ret~0 < max_#t~mem4);max_#t~ite6 := max_~ret~0; 2918#L23-5 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2919#L22-7 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2933#L22-8 assume !(max_~i~0 < ~N~0); 2935#L22-9 max_#res := (if max_~ret~0 % 4294967296 <= 2147483647 then max_~ret~0 % 4294967296 else max_~ret~0 % 4294967296 - 4294967296); 2937#L25-1 main_#t~ret11 := max_#res;main_~ret2~0 := main_#t~ret11;havoc main_#t~ret11;call main_#t~mem12 := read~int(main_~#x~0.base, main_~#x~0.offset, 4);main_~temp~0 := main_#t~mem12;havoc main_#t~mem12;main_~i~1 := 0; 2938#L43-3 assume !!(main_~i~1 < ~N~0 - 1);call main_#t~mem14 := read~int(main_~#x~0.base, main_~#x~0.offset + 4 * (1 + main_~i~1), 4);call write~int(main_#t~mem14, main_~#x~0.base, main_~#x~0.offset + 4 * main_~i~1, 4);havoc main_#t~mem14; 2929#L43-2 main_#t~post13 := main_~i~1;main_~i~1 := 1 + main_#t~post13;havoc main_#t~post13; 2930#L43-3 assume !(main_~i~1 < ~N~0 - 1); 2926#L43-4 call write~int(main_~temp~0, main_~#x~0.base, main_~#x~0.offset + 4 * (~N~0 - 1), 4);max_#in~x.base, max_#in~x.offset := main_~#x~0.base, main_~#x~0.offset;havoc max_#res;havoc max_#t~mem4, max_#t~ite6, max_#t~mem5, max_#t~post3, max_~x.base, max_~x.offset, max_~i~0, max_~ret~0;max_~x.base, max_~x.offset := max_#in~x.base, max_#in~x.offset;havoc max_~i~0;havoc max_~ret~0;max_~ret~0 := 0;max_~i~0 := 0; 2923#L22-13 [2021-10-21 20:08:05,090 INFO L793 eck$LassoCheckResult]: Loop: 2923#L22-13 assume !!(max_~i~0 < ~N~0);call max_#t~mem4 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4); 2927#L23-6 assume max_~ret~0 < max_#t~mem4;call max_#t~mem5 := read~int(max_~x.base, max_~x.offset + 4 * max_~i~0, 4);max_#t~ite6 := max_#t~mem5; 2928#L23-8 max_~ret~0 := max_#t~ite6;havoc max_#t~mem4;havoc max_#t~ite6;havoc max_#t~mem5; 2922#L22-12 max_#t~post3 := max_~i~0;max_~i~0 := 1 + max_#t~post3;havoc max_#t~post3; 2923#L22-13 [2021-10-21 20:08:05,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:05,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1168061379, now seen corresponding path program 1 times [2021-10-21 20:08:05,091 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:05,091 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518251155] [2021-10-21 20:08:05,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:05,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:05,130 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:08:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:05,172 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:08:05,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:05,173 INFO L82 PathProgramCache]: Analyzing trace with hash 3173862, now seen corresponding path program 2 times [2021-10-21 20:08:05,173 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:05,173 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114425299] [2021-10-21 20:08:05,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:05,174 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:05,178 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:08:05,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:05,182 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:08:05,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:05,183 INFO L82 PathProgramCache]: Analyzing trace with hash 934015144, now seen corresponding path program 1 times [2021-10-21 20:08:05,183 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 20:08:05,183 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82641387] [2021-10-21 20:08:05,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 20:08:05,183 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 20:08:05,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:05,290 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 20:08:05,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2021-10-21 20:08:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 20:08:05,328 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 20:08:10,305 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 20:08:10,305 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 20:08:10,305 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 20:08:10,305 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 20:08:10,305 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 20:08:10,305 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:10,305 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 20:08:10,305 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 20:08:10,306 INFO L133 ssoRankerPreferences]: Filename of dumped script: max.i_Iteration12_Lasso [2021-10-21 20:08:10,306 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 20:08:10,306 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 20:08:10,309 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 20:08:10,313 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 20:08:10,314 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 20:08:10,319 INFO 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 20:08:10,321 INFO 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 20:08:10,323 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 20:08:10,325 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 20:08:10,326 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 20:08:10,328 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 20:08:10,330 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 20:08:10,331 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 20:08:10,333 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 20:08:10,335 INFO 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 20:08:10,336 INFO 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 20:08:11,019 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 8 [2021-10-21 20:08:11,863 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:11,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:11,867 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:11,869 INFO 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 20:08:11,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 20:08:12,450 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 20:08:12,450 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 20:08:12,451 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,457 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2021-10-21 20:08:12,459 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,466 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,466 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,466 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,467 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,467 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,468 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:12,489 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,490 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2021-10-21 20:08:12,491 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,500 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,521 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2021-10-21 20:08:12,522 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,522 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2021-10-21 20:08:12,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:12,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,531 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,531 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,531 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,532 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:12,532 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:12,535 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,556 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:12,556 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,557 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2021-10-21 20:08:12,558 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,567 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,588 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Ended with exit code 0 [2021-10-21 20:08:12,588 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,589 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2021-10-21 20:08:12,591 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:12,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,599 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,620 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2021-10-21 20:08:12,620 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,621 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2021-10-21 20:08:12,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,630 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,630 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,630 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,630 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,630 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,631 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,650 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2021-10-21 20:08:12,651 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,651 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,651 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2021-10-21 20:08:12,653 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:12,660 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,660 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,660 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,660 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,660 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,661 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,661 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,662 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:12,681 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,682 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2021-10-21 20:08:12,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:12,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,691 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,691 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:12,714 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,715 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2021-10-21 20:08:12,716 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,724 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,724 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,724 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,725 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2021-10-21 20:08:12,745 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,745 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2021-10-21 20:08:12,746 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,754 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,754 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,754 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,754 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,754 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,755 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,756 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2021-10-21 20:08:12,776 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,777 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2021-10-21 20:08:12,779 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 20:08:12,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,787 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2021-10-21 20:08:12,809 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,810 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2021-10-21 20:08:12,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,819 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,819 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,819 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,840 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2021-10-21 20:08:12,840 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,841 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2021-10-21 20:08:12,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,850 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,850 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,850 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,850 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,850 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,850 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,851 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2021-10-21 20:08:12,870 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,871 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2021-10-21 20:08:12,872 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 20:08:12,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,882 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:12,882 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:12,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2021-10-21 20:08:12,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,908 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2021-10-21 20:08:12,909 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,917 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2021-10-21 20:08:12,937 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,938 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2021-10-21 20:08:12,939 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,946 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,946 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,946 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,947 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,947 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,947 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Ended with exit code 0 [2021-10-21 20:08:12,968 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:12,969 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:12,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2021-10-21 20:08:12,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:12,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:12,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:12,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:12,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:12,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:12,977 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:12,977 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:12,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:12,998 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:12,998 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:12,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,000 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2021-10-21 20:08:13,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:13,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,008 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,008 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,009 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:13,009 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:13,011 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2021-10-21 20:08:13,032 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,032 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2021-10-21 20:08:13,033 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 20:08:13,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:13,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:13,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,066 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2021-10-21 20:08:13,066 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,067 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2021-10-21 20:08:13,068 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 20:08:13,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:13,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:13,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:13,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:13,096 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,096 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2021-10-21 20:08:13,097 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:13,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,106 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:13,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:13,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:13,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,132 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2021-10-21 20:08:13,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:13,140 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,140 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,142 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:13,142 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:13,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:13,166 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,166 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2021-10-21 20:08:13,167 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:13,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,175 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-21 20:08:13,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,179 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-21 20:08:13,180 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:13,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2021-10-21 20:08:13,213 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,213 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2021-10-21 20:08:13,214 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:13,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:13,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:13,224 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2021-10-21 20:08:13,243 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,244 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2021-10-21 20:08:13,245 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:13,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:13,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,252 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,252 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:13,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:13,254 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2021-10-21 20:08:13,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,273 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2021-10-21 20:08:13,275 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:13,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:13,282 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,282 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,283 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,283 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:13,283 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:13,284 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:13,304 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,305 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2021-10-21 20:08:13,306 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:13,313 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,314 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:13,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,314 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,314 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:13,314 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:13,315 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:13,335 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,336 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2021-10-21 20:08:13,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting 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 20:08:13,344 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,344 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 20:08:13,344 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,344 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,344 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,345 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 20:08:13,345 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 20:08:13,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,367 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2021-10-21 20:08:13,367 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,368 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 20:08:13,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2021-10-21 20:08:13,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:13,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:13,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 20:08:13,398 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2021-10-21 20:08:13,398 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,399 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,399 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2021-10-21 20:08:13,400 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 20:08:13,407 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 20:08:13,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 20:08:13,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 20:08:13,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 20:08:13,413 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-21 20:08:13,413 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-21 20:08:13,425 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 20:08:13,452 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2021-10-21 20:08:13,453 INFO L444 ModelExtractionUtils]: 6 out of 34 variables were initially zero. Simplification set additionally 25 variables to zero. [2021-10-21 20:08:13,453 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 20:08:13,453 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 20:08:13,453 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 20:08:13,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2021-10-21 20:08:13,454 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 20:08:13,463 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-21 20:08:13,463 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 20:08:13,463 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_max_~i~0, ~N~0) = -1*ULTIMATE.start_max_~i~0 + 1*~N~0 Supporting invariants [] [2021-10-21 20:08:13,484 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:13,666 INFO L297 tatePredicateManager]: 55 out of 55 supporting invariants were superfluous and have been removed [2021-10-21 20:08:13,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 20:08:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:13,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 20:08:13,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:08:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 20:08:13,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 20:08:13,793 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 20:08:13,821 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 20:08:13,821 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 20:08:13,821 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 79 states and 101 transitions. cyclomatic complexity: 28 Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:13,833 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 79 states and 101 transitions. cyclomatic complexity: 28. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 83 states and 107 transitions. Complement of second has 4 states. [2021-10-21 20:08:13,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-21 20:08:13,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 20:08:13,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 28 transitions. [2021-10-21 20:08:13,834 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 29 letters. Loop has 4 letters. [2021-10-21 20:08:13,837 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:08:13,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 33 letters. Loop has 4 letters. [2021-10-21 20:08:13,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:08:13,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 28 transitions. Stem has 29 letters. Loop has 8 letters. [2021-10-21 20:08:13,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 20:08:13,839 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 107 transitions. [2021-10-21 20:08:13,841 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:08:13,841 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 0 states and 0 transitions. [2021-10-21 20:08:13,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 20:08:13,841 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 20:08:13,841 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 20:08:13,841 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 20:08:13,842 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:08:13,842 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:08:13,842 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 20:08:13,842 INFO L425 BuchiCegarLoop]: ======== Iteration 13============ [2021-10-21 20:08:13,842 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 20:08:13,842 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 20:08:13,842 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 20:08:13,849 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:13,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 08:08:13 BoogieIcfgContainer [2021-10-21 20:08:13,855 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 20:08:13,856 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 20:08:13,856 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 20:08:13,856 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 20:08:13,857 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 08:07:38" (3/4) ... [2021-10-21 20:08:13,861 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 20:08:13,861 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 20:08:13,862 INFO L168 Benchmark]: Toolchain (without parser) took 35999.14 ms. Allocated memory was 102.8 MB in the beginning and 224.4 MB in the end (delta: 121.6 MB). Free memory was 68.5 MB in the beginning and 156.1 MB in the end (delta: -87.6 MB). Peak memory consumption was 35.5 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:13,862 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 72.6 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:08:13,863 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.32 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 79.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:13,864 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.38 ms. Allocated memory is still 102.8 MB. Free memory was 79.3 MB in the beginning and 77.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:13,864 INFO L168 Benchmark]: Boogie Preprocessor took 47.24 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 76.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:13,864 INFO L168 Benchmark]: RCFGBuilder took 416.59 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 63.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:13,865 INFO L168 Benchmark]: BuchiAutomizer took 35119.35 ms. Allocated memory was 102.8 MB in the beginning and 224.4 MB in the end (delta: 121.6 MB). Free memory was 63.5 MB in the beginning and 156.1 MB in the end (delta: -92.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. [2021-10-21 20:08:13,866 INFO L168 Benchmark]: Witness Printer took 5.13 ms. Allocated memory is still 224.4 MB. Free memory is still 156.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 20:08:13,872 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 102.8 MB. Free memory was 72.7 MB in the beginning and 72.6 MB in the end (delta: 21.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 322.32 ms. Allocated memory is still 102.8 MB. Free memory was 68.1 MB in the beginning and 79.7 MB in the end (delta: -11.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.38 ms. Allocated memory is still 102.8 MB. Free memory was 79.3 MB in the beginning and 77.5 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 47.24 ms. Allocated memory is still 102.8 MB. Free memory was 77.5 MB in the beginning and 76.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 416.59 ms. Allocated memory is still 102.8 MB. Free memory was 76.1 MB in the beginning and 63.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 35119.35 ms. Allocated memory was 102.8 MB in the beginning and 224.4 MB in the end (delta: 121.6 MB). Free memory was 63.5 MB in the beginning and 156.1 MB in the end (delta: -92.6 MB). Peak memory consumption was 32.1 MB. Max. memory is 16.1 GB. * Witness Printer took 5.13 ms. Allocated memory is still 224.4 MB. Free memory is still 156.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 12 terminating modules (7 trivial, 5 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -4 * i + unknown-#length-unknown[x] and consists of 5 locations. One deterministic module has affine ranking function -4 * i + -1 * x + 10 and consists of 9 locations. One deterministic module has affine ranking function N + -1 * i and consists of 4 locations. One deterministic module has affine ranking function 2 * unknown-#length-unknown[x] + -4 * i + -1 * x and consists of 4 locations. One deterministic module has affine ranking function N + -1 * i and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 18 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 35.0s and 13 iterations. TraceHistogramMax:3. Analysis of lassos took 31.8s. Construction of modules took 1.0s. Büchi inclusion checks took 1.9s. Highest rank in rank-based complementation 3. Minimization of det autom 7. Minimization of nondet autom 5. Automata minimization 65.5ms AutomataMinimizationTime, 11 MinimizatonAttempts, 129 StatesRemovedByMinimization, 9 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 79 states and ocurred in iteration 10. Nontrivial modules had stage [5, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 244 SDtfs, 379 SDslu, 321 SDs, 0 SdLazy, 1538 SolverSat, 91 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1052.7ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso5 LassoPreprocessingBenchmarks: Lassos: inital383 mio100 ax100 hnf100 lsp111 ukn74 mio100 lsp29 div112 bol100 ite100 ukn100 eq169 hnf84 smp86 dnf171 smp70 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 4 VariablesLoop: 0 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 20:08:13,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Ended with exit code 0 [2021-10-21 20:08:14,106 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2021-10-21 20:08:14,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2021-10-21 20:08:14,515 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2021-10-21 20:08:14,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7b58ec8-4182-4e7d-839f-256956607bf7/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...