./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/mcmillan2006.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/mcmillan2006.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg --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 45cd9f1eda35cecb580d3b7fe5199506be9e5041f2297c1c3e22e0a862fa68be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:51:17,295 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:51:17,299 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:51:17,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:51:17,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:51:17,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:51:17,350 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:51:17,354 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:51:17,358 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:51:17,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:51:17,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:51:17,365 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:51:17,366 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:51:17,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:51:17,375 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:51:17,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:51:17,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:51:17,379 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:51:17,382 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:51:17,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:51:17,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:51:17,388 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:51:17,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:51:17,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:51:17,395 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:51:17,396 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:51:17,396 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:51:17,398 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:51:17,398 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:51:17,400 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:51:17,400 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:51:17,401 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:51:17,402 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:51:17,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:51:17,405 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:51:17,405 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:51:17,406 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:51:17,406 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:51:17,407 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:51:17,408 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:51:17,409 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:51:17,411 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 09:51:17,445 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:51:17,446 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:51:17,446 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:51:17,446 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:51:17,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:51:17,448 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:51:17,448 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:51:17,448 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 09:51:17,449 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 09:51:17,449 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 09:51:17,449 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 09:51:17,449 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 09:51:17,449 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 09:51:17,450 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:51:17,450 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:51:17,450 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 09:51:17,450 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:51:17,451 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:51:17,451 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:51:17,451 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 09:51:17,451 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 09:51:17,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 09:51:17,452 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:51:17,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:51:17,452 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 09:51:17,453 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:51:17,453 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 09:51:17,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:51:17,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:51:17,454 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:51:17,454 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:51:17,454 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:51:17,455 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 09:51:17,456 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_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45cd9f1eda35cecb580d3b7fe5199506be9e5041f2297c1c3e22e0a862fa68be [2021-10-28 09:51:17,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:51:17,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:51:17,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:51:17,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:51:17,738 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:51:17,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/loop-lit/mcmillan2006.i [2021-10-28 09:51:17,854 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/data/369c36731/c63c127f24f840df90b4c93e1a1f5d85/FLAGd4d73cb59 [2021-10-28 09:51:18,396 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:51:18,400 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/sv-benchmarks/c/loop-lit/mcmillan2006.i [2021-10-28 09:51:18,410 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/data/369c36731/c63c127f24f840df90b4c93e1a1f5d85/FLAGd4d73cb59 [2021-10-28 09:51:18,727 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/data/369c36731/c63c127f24f840df90b4c93e1a1f5d85 [2021-10-28 09:51:18,730 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:51:18,732 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:51:18,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:51:18,735 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:51:18,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:51:18,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:51:18" (1/1) ... [2021-10-28 09:51:18,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@485ceae9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:18, skipping insertion in model container [2021-10-28 09:51:18,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:51:18" (1/1) ... [2021-10-28 09:51:18,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:51:18,769 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:51:18,966 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_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/sv-benchmarks/c/loop-lit/mcmillan2006.i[1009,1022] [2021-10-28 09:51:18,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:51:18,989 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:51:19,000 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_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/sv-benchmarks/c/loop-lit/mcmillan2006.i[1009,1022] [2021-10-28 09:51:19,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:51:19,020 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:51:19,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19 WrapperNode [2021-10-28 09:51:19,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:51:19,022 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:51:19,023 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:51:19,023 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:51:19,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,040 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:51:19,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:51:19,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:51:19,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:51:19,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,089 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,090 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,096 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,102 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,109 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:51:19,111 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:51:19,112 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:51:19,112 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:51:19,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (1/1) ... [2021-10-28 09:51:19,123 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:19,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:19,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:19,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 09:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 09:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-28 09:51:19,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:51:19,232 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:51:19,232 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 09:51:19,498 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:51:19,499 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 09:51:19,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:19 BoogieIcfgContainer [2021-10-28 09:51:19,501 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:51:19,502 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 09:51:19,502 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 09:51:19,508 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 09:51:19,509 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:51:19,509 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 09:51:18" (1/3) ... [2021-10-28 09:51:19,512 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e85de2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:51:19, skipping insertion in model container [2021-10-28 09:51:19,513 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:51:19,513 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:19" (2/3) ... [2021-10-28 09:51:19,514 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2e85de2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 09:51:19, skipping insertion in model container [2021-10-28 09:51:19,514 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 09:51:19,514 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:19" (3/3) ... [2021-10-28 09:51:19,516 INFO L389 chiAutomizerObserver]: Analyzing ICFG mcmillan2006.i [2021-10-28 09:51:19,589 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 09:51:19,589 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 09:51:19,589 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 09:51:19,589 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 09:51:19,590 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 09:51:19,590 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 09:51:19,590 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 09:51:19,590 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 09:51:19,608 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:19,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 09:51:19,643 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:51:19,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:51:19,651 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:51:19,651 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:51:19,651 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-28 09:51:19,652 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:19,654 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 7 [2021-10-28 09:51:19,655 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:51:19,655 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:51:19,655 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-28 09:51:19,656 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-28 09:51:19,671 INFO L791 eck$LassoCheckResult]: Stem: 6#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(9); 7#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~post5, main_~i~0, main_#t~mem7, main_#t~post6, main_~i~1, main_~n~0, main_~x~0.base, main_~x~0.offset;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 10#L28true assume !!(0 <= main_~n~0 && main_~n~0 <= 1000);call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~x~0.base, main_~x~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;havoc main_#t~malloc4.base, main_#t~malloc4.offset;main_~i~0 := 0; 15#L30-3true [2021-10-28 09:51:19,672 INFO L793 eck$LassoCheckResult]: Loop: 15#L30-3true assume !!(main_~i~0 < main_~n~0);call write~int(0, main_~x~0.base, main_~x~0.offset + 4 * main_~i~0, 4); 5#L30-2true main_#t~post5 := main_~i~0;main_~i~0 := 1 + main_#t~post5;havoc main_#t~post5; 15#L30-3true [2021-10-28 09:51:19,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:19,688 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-28 09:51:19,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:19,720 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157280625] [2021-10-28 09:51:19,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:19,722 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:19,868 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:51:19,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:19,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:51:19,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:19,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1443, now seen corresponding path program 1 times [2021-10-28 09:51:19,932 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:19,933 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782741733] [2021-10-28 09:51:19,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:19,934 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:19,944 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:51:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:19,956 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:51:19,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:19,958 INFO L85 PathProgramCache]: Analyzing trace with hash 28695942, now seen corresponding path program 1 times [2021-10-28 09:51:19,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:19,959 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753638229] [2021-10-28 09:51:19,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:19,959 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:19,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:19,994 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:51:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:20,031 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:51:20,718 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:51:20,718 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:51:20,719 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:51:20,719 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:51:20,719 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:51:20,719 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:20,720 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:51:20,720 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:51:20,721 INFO L133 ssoRankerPreferences]: Filename of dumped script: mcmillan2006.i_Iteration1_Lasso [2021-10-28 09:51:20,721 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:51:20,722 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:51:20,759 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:20,766 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:20,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:20,772 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:20,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:20,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:20,993 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:20,996 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:21,000 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:21,003 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:21,005 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:21,008 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:21,324 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:51:21,329 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:51:21,331 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,334 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,349 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:21,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:21,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:21,364 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:21,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-28 09:51:21,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:21,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-10-28 09:51:21,416 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,416 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,417 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-28 09:51:21,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:21,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:21,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,432 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,433 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:21,433 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:21,464 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:21,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:21,493 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-28 09:51:21,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:21,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:21,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,513 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:21,513 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:21,523 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:21,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:21,561 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,561 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,563 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:21,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:21,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-28 09:51:21,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:21,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:21,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:21,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:21,643 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,645 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,647 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-28 09:51:21,648 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,658 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:21,658 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:21,658 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,658 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,659 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:21,659 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:21,678 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:21,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:21,703 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,704 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,705 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-28 09:51:21,707 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,714 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,715 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:51:21,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,723 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 09:51:21,723 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:21,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:21,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:21,785 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,786 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,796 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,806 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,807 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:21,807 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,807 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,810 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:21,810 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:21,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-28 09:51:21,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:21,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:21,863 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,865 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-28 09:51:21,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:21,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,878 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:21,878 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:21,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:21,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:21,959 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:21,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:21,960 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:21,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:21,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:21,978 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:21,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:21,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:21,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:21,979 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:21,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:21,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-28 09:51:21,996 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:22,028 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:22,029 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:22,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:22,030 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:22,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-28 09:51:22,032 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:22,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:22,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:22,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:22,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:22,047 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:22,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:22,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:22,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-10-28 09:51:22,089 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:22,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:22,090 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:22,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-28 09:51:22,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:22,102 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:22,102 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:22,102 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:22,102 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:22,104 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:22,105 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:22,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:22,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:22,137 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:22,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:22,138 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:22,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-28 09:51:22,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:22,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:22,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:22,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:22,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:22,153 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:22,153 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:22,180 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:22,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:22,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:22,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:22,220 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:22,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-28 09:51:22,227 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 [2021-10-28 09:51:22,237 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:22,237 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:22,237 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:22,237 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:22,244 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:22,244 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:22,257 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:51:22,281 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2021-10-28 09:51:22,281 INFO L444 ModelExtractionUtils]: 9 out of 19 variables were initially zero. Simplification set additionally 7 variables to zero. [2021-10-28 09:51:22,283 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:22,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:22,289 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:22,320 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:51:22,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-28 09:51:22,342 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:51:22,342 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:51:22,343 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-28 09:51:22,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:22,422 INFO L297 tatePredicateManager]: 7 out of 7 supporting invariants were superfluous and have been removed [2021-10-28 09:51:22,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:22,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:22,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:51:22,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:51:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:22,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:51:22,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:51:22,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:22,567 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:51:22,581 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:22,655 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 40 states and 51 transitions. Complement of second has 7 states. [2021-10-28 09:51:22,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-28 09:51:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:22,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 34 transitions. [2021-10-28 09:51:22,660 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 3 letters. Loop has 2 letters. [2021-10-28 09:51:22,662 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:51:22,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 5 letters. Loop has 2 letters. [2021-10-28 09:51:22,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:51:22,663 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 34 transitions. Stem has 3 letters. Loop has 4 letters. [2021-10-28 09:51:22,663 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:51:22,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 51 transitions. [2021-10-28 09:51:22,672 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:51:22,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 11 states and 13 transitions. [2021-10-28 09:51:22,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-28 09:51:22,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 09:51:22,680 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-10-28 09:51:22,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:51:22,681 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-28 09:51:22,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-10-28 09:51:22,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-10-28 09:51:22,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:22,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 13 transitions. [2021-10-28 09:51:22,711 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-28 09:51:22,712 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-28 09:51:22,712 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-28 09:51:22,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 13 transitions. [2021-10-28 09:51:22,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:51:22,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:51:22,714 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:51:22,715 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-10-28 09:51:22,715 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:51:22,716 INFO L791 eck$LassoCheckResult]: Stem: 129#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(9); 130#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~post5, main_~i~0, main_#t~mem7, main_#t~post6, main_~i~1, main_~n~0, main_~x~0.base, main_~x~0.offset;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 131#L28 assume !!(0 <= main_~n~0 && main_~n~0 <= 1000);call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~x~0.base, main_~x~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;havoc main_#t~malloc4.base, main_#t~malloc4.offset;main_~i~0 := 0; 132#L30-3 assume !(main_~i~0 < main_~n~0); 135#L30-4 main_~i~1 := 0; 133#L31-3 [2021-10-28 09:51:22,716 INFO L793 eck$LassoCheckResult]: Loop: 133#L31-3 assume !!(main_~i~1 < main_~n~0);call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset + 4 * main_~i~1, 4);__VERIFIER_assert_#in~cond := (if 0 == main_#t~mem7 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 134#L19 assume !(0 == __VERIFIER_assert_~cond); 125#L19-2 havoc main_#t~mem7; 126#L31-2 main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 133#L31-3 [2021-10-28 09:51:22,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:22,718 INFO L85 PathProgramCache]: Analyzing trace with hash 28695884, now seen corresponding path program 1 times [2021-10-28 09:51:22,718 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:22,719 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722285847] [2021-10-28 09:51:22,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:22,719 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:22,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:22,748 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:51:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:22,768 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:51:22,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:22,769 INFO L85 PathProgramCache]: Analyzing trace with hash 1823306, now seen corresponding path program 1 times [2021-10-28 09:51:22,769 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:22,770 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568408441] [2021-10-28 09:51:22,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:22,770 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:22,779 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:51:22,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:22,790 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:51:22,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:22,791 INFO L85 PathProgramCache]: Analyzing trace with hash 1304171029, now seen corresponding path program 1 times [2021-10-28 09:51:22,791 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:22,791 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462975353] [2021-10-28 09:51:22,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:22,792 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:22,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:22,898 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:51:22,898 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462975353] [2021-10-28 09:51:22,899 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462975353] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:51:22,899 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:51:22,899 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:51:22,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [100703219] [2021-10-28 09:51:22,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:22,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:51:22,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:51:22,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:51:22,988 INFO L87 Difference]: Start difference. First operand 11 states and 13 transitions. cyclomatic complexity: 4 Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:23,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:51:23,025 INFO L93 Difference]: Finished difference Result 14 states and 15 transitions. [2021-10-28 09:51:23,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:51:23,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 15 transitions. [2021-10-28 09:51:23,027 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:51:23,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 13 transitions. [2021-10-28 09:51:23,028 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-10-28 09:51:23,028 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-10-28 09:51:23,028 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 13 transitions. [2021-10-28 09:51:23,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:51:23,029 INFO L681 BuchiCegarLoop]: Abstraction has 12 states and 13 transitions. [2021-10-28 09:51:23,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 13 transitions. [2021-10-28 09:51:23,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2021-10-28 09:51:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 10 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 12 transitions. [2021-10-28 09:51:23,031 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-10-28 09:51:23,031 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 12 transitions. [2021-10-28 09:51:23,031 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-28 09:51:23,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 12 transitions. [2021-10-28 09:51:23,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-28 09:51:23,032 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-28 09:51:23,032 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-28 09:51:23,033 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:51:23,033 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-28 09:51:23,033 INFO L791 eck$LassoCheckResult]: Stem: 168#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(9); 169#L-1 havoc main_#res;havoc main_#t~nondet3, main_#t~malloc4.base, main_#t~malloc4.offset, main_#t~post5, main_~i~0, main_#t~mem7, main_#t~post6, main_~i~1, main_~n~0, main_~x~0.base, main_~x~0.offset;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 170#L28 assume !!(0 <= main_~n~0 && main_~n~0 <= 1000);call main_#t~malloc4.base, main_#t~malloc4.offset := #Ultimate.allocOnHeap(4 * main_~n~0);main_~x~0.base, main_~x~0.offset := main_#t~malloc4.base, main_#t~malloc4.offset;havoc main_#t~malloc4.base, main_#t~malloc4.offset;main_~i~0 := 0; 171#L30-3 assume !!(main_~i~0 < main_~n~0);call write~int(0, main_~x~0.base, main_~x~0.offset + 4 * main_~i~0, 4); 166#L30-2 main_#t~post5 := main_~i~0;main_~i~0 := 1 + main_#t~post5;havoc main_#t~post5; 167#L30-3 assume !(main_~i~0 < main_~n~0); 174#L30-4 main_~i~1 := 0; 173#L31-3 [2021-10-28 09:51:23,034 INFO L793 eck$LassoCheckResult]: Loop: 173#L31-3 assume !!(main_~i~1 < main_~n~0);call main_#t~mem7 := read~int(main_~x~0.base, main_~x~0.offset + 4 * main_~i~1, 4);__VERIFIER_assert_#in~cond := (if 0 == main_#t~mem7 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 172#L19 assume !(0 == __VERIFIER_assert_~cond); 164#L19-2 havoc main_#t~mem7; 165#L31-2 main_#t~post6 := main_~i~1;main_~i~1 := 1 + main_#t~post6;havoc main_#t~post6; 173#L31-3 [2021-10-28 09:51:23,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:23,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1806996910, now seen corresponding path program 1 times [2021-10-28 09:51:23,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:23,035 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1529729746] [2021-10-28 09:51:23,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:23,035 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:23,052 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:51:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:23,072 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:51:23,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:23,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1823306, now seen corresponding path program 2 times [2021-10-28 09:51:23,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:23,074 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31513791] [2021-10-28 09:51:23,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:23,074 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:23,084 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:51:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:23,099 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:51:23,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:23,102 INFO L85 PathProgramCache]: Analyzing trace with hash -1358706313, now seen corresponding path program 1 times [2021-10-28 09:51:23,102 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:23,102 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929610902] [2021-10-28 09:51:23,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:23,103 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:23,138 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 09:51:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 09:51:23,178 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 09:51:23,701 INFO L210 LassoAnalysis]: Preferences: [2021-10-28 09:51:23,702 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-28 09:51:23,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-28 09:51:23,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-28 09:51:23,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-28 09:51:23,702 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:23,702 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-28 09:51:23,702 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-28 09:51:23,702 INFO L133 ssoRankerPreferences]: Filename of dumped script: mcmillan2006.i_Iteration3_Lasso [2021-10-28 09:51:23,702 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-28 09:51:23,702 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-28 09:51:23,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,712 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,714 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,716 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,718 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,721 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,723 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,932 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,936 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,942 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,945 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:23,948 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-28 09:51:24,208 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-28 09:51:24,209 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-28 09:51:24,209 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,213 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-28 09:51:24,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,232 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:24,232 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,232 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,232 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,233 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:24,233 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:24,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,288 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,289 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,296 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,306 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:24,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,308 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:24,308 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:24,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-28 09:51:24,320 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,356 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,357 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,363 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 [2021-10-28 09:51:24,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:24,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,375 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:24,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:24,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-28 09:51:24,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,428 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,429 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-28 09:51:24,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,445 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:24,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,446 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:24,446 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:24,460 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,496 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,497 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,508 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,517 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,517 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:24,517 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,517 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,517 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,519 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:24,519 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:24,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-28 09:51:24,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,559 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,559 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,560 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-28 09:51:24,564 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,571 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,571 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:24,572 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,572 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,572 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:24,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:24,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,634 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,636 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,650 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:24,650 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:24,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-28 09:51:24,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,700 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,701 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,704 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,721 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:24,721 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:24,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-10-28 09:51:24,740 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,779 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,782 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,790 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,800 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2021-10-28 09:51:24,800 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,800 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,804 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2021-10-28 09:51:24,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:24,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-10-28 09:51:24,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,858 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,858 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,863 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-10-28 09:51:24,864 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-28 09:51:24,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-28 09:51:24,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-28 09:51:24,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-28 09:51:24,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:24,925 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,926 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-28 09:51:24,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-10-28 09:51:24,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-28 09:51:24,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-28 09:51:24,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-28 09:51:24,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-28 09:51:24,944 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-28 09:51:24,944 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-28 09:51:24,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-28 09:51:24,986 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-10-28 09:51:24,986 INFO L444 ModelExtractionUtils]: 7 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2021-10-28 09:51:24,987 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 09:51:24,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:24,988 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:24,996 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-28 09:51:25,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-10-28 09:51:25,028 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-28 09:51:25,028 INFO L513 LassoAnalysis]: Proved termination. [2021-10-28 09:51:25,029 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~1) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~1 Supporting invariants [] [2021-10-28 09:51:25,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:25,086 INFO L297 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2021-10-28 09:51:25,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:25,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:25,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-28 09:51:25,122 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:51:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:25,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-28 09:51:25,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:51:25,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:25,184 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-28 09:51:25,185 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:25,202 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 12 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 17 transitions. Complement of second has 4 states. [2021-10-28 09:51:25,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-28 09:51:25,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2021-10-28 09:51:25,203 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 4 letters. [2021-10-28 09:51:25,203 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:51:25,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 11 letters. Loop has 4 letters. [2021-10-28 09:51:25,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:51:25,204 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 7 letters. Loop has 8 letters. [2021-10-28 09:51:25,204 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-28 09:51:25,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 17 transitions. [2021-10-28 09:51:25,206 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:51:25,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2021-10-28 09:51:25,206 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-28 09:51:25,206 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-28 09:51:25,206 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-28 09:51:25,206 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 09:51:25,207 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:51:25,207 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:51:25,207 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:51:25,207 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-28 09:51:25,207 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:51:25,207 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 09:51:25,208 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 09:51:25,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 09:51:25 BoogieIcfgContainer [2021-10-28 09:51:25,215 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 09:51:25,216 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:51:25,216 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:51:25,216 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:51:25,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:19" (3/4) ... [2021-10-28 09:51:25,220 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 09:51:25,220 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:51:25,222 INFO L168 Benchmark]: Toolchain (without parser) took 6488.87 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 81.7 MB in the beginning and 63.3 MB in the end (delta: 18.3 MB). Peak memory consumption was 41.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:25,223 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory is still 36.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:51:25,223 INFO L168 Benchmark]: CACSL2BoogieTranslator took 287.18 ms. Allocated memory is still 113.2 MB. Free memory was 81.5 MB in the beginning and 90.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:25,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.31 ms. Allocated memory is still 113.2 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:25,224 INFO L168 Benchmark]: Boogie Preprocessor took 46.95 ms. Allocated memory is still 113.2 MB. Free memory was 89.3 MB in the beginning and 88.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:51:25,225 INFO L168 Benchmark]: RCFGBuilder took 390.19 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 78.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:25,225 INFO L168 Benchmark]: BuchiAutomizer took 5713.46 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 78.5 MB in the beginning and 63.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:25,226 INFO L168 Benchmark]: Witness Printer took 4.38 ms. Allocated memory is still 136.3 MB. Free memory is still 63.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:51:25,228 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory is still 36.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 287.18 ms. Allocated memory is still 113.2 MB. Free memory was 81.5 MB in the beginning and 90.7 MB in the end (delta: -9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.31 ms. Allocated memory is still 113.2 MB. Free memory was 90.7 MB in the beginning and 89.3 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.95 ms. Allocated memory is still 113.2 MB. Free memory was 89.3 MB in the beginning and 88.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 390.19 ms. Allocated memory is still 113.2 MB. Free memory was 88.2 MB in the beginning and 78.8 MB in the end (delta: 9.4 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5713.46 ms. Allocated memory was 113.2 MB in the beginning and 136.3 MB in the end (delta: 23.1 MB). Free memory was 78.5 MB in the beginning and 63.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 40.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.38 ms. Allocated memory is still 136.3 MB. Free memory is still 63.3 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. One deterministic module has affine ranking function -1 * i + n and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 11 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 31 SDtfs, 29 SDslu, 32 SDs, 0 SdLazy, 36 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital177 mio100 ax100 hnf99 lsp93 ukn64 mio100 lsp55 div100 bol100 ite100 ukn100 eq163 hnf94 smp100 dnf100 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms 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! [2021-10-28 09:51:25,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2021-10-28 09:51:25,482 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3b7e01e-bdf5-479a-80d4-1ad5c0ba6e8c/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...