./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6ca2d5da36c426c393949b63c645a7a762a63a478adf2fbbb829aa89b9298032 --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-07 01:09:25,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-07 01:09:25,463 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-07 01:09:25,493 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-07 01:09:25,494 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-07 01:09:25,495 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-07 01:09:25,497 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-07 01:09:25,499 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-07 01:09:25,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-07 01:09:25,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-07 01:09:25,503 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-07 01:09:25,505 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-07 01:09:25,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-07 01:09:25,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-07 01:09:25,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-07 01:09:25,509 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-07 01:09:25,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-07 01:09:25,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-07 01:09:25,513 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-07 01:09:25,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-07 01:09:25,518 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-07 01:09:25,519 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-07 01:09:25,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-07 01:09:25,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-07 01:09:25,525 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-07 01:09:25,525 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-07 01:09:25,525 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-07 01:09:25,527 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-07 01:09:25,527 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-07 01:09:25,528 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-07 01:09:25,528 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-07 01:09:25,529 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-07 01:09:25,530 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-07 01:09:25,531 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-07 01:09:25,532 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-07 01:09:25,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-07 01:09:25,533 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-07 01:09:25,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-07 01:09:25,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-07 01:09:25,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-07 01:09:25,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-07 01:09:25,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-07 01:09:25,558 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-07 01:09:25,558 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-07 01:09:25,558 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-07 01:09:25,558 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-07 01:09:25,559 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-07 01:09:25,559 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-07 01:09:25,559 INFO L138 SettingsManager]: * Use SBE=true [2021-12-07 01:09:25,559 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-07 01:09:25,560 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-07 01:09:25,560 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-07 01:09:25,560 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-07 01:09:25,560 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-07 01:09:25,560 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-07 01:09:25,560 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-07 01:09:25,560 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-07 01:09:25,560 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-07 01:09:25,561 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-07 01:09:25,561 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-07 01:09:25,561 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-07 01:09:25,561 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-07 01:09:25,561 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-07 01:09:25,561 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-07 01:09:25,561 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-07 01:09:25,561 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-07 01:09:25,562 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-07 01:09:25,562 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-07 01:09:25,562 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-07 01:09:25,562 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-07 01:09:25,562 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-07 01:09:25,563 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-07 01:09:25,563 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_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6ca2d5da36c426c393949b63c645a7a762a63a478adf2fbbb829aa89b9298032 [2021-12-07 01:09:25,744 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-07 01:09:25,759 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-07 01:09:25,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-07 01:09:25,761 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-07 01:09:25,762 INFO L275 PluginConnector]: CDTParser initialized [2021-12-07 01:09:25,763 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i [2021-12-07 01:09:25,804 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/data/17b0beeb1/3d9711b0647947c4911d4ed8c18c2197/FLAGc94f0eb2f [2021-12-07 01:09:26,216 INFO L306 CDTParser]: Found 1 translation units. [2021-12-07 01:09:26,217 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/sv-benchmarks/c/termination-memory-alloca/add_last-alloca-2.i [2021-12-07 01:09:26,227 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/data/17b0beeb1/3d9711b0647947c4911d4ed8c18c2197/FLAGc94f0eb2f [2021-12-07 01:09:26,239 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/data/17b0beeb1/3d9711b0647947c4911d4ed8c18c2197 [2021-12-07 01:09:26,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-07 01:09:26,242 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-07 01:09:26,244 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-07 01:09:26,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-07 01:09:26,247 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-07 01:09:26,248 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,249 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adc604f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26, skipping insertion in model container [2021-12-07 01:09:26,249 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-07 01:09:26,286 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-07 01:09:26,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:09:26,469 INFO L203 MainTranslator]: Completed pre-run [2021-12-07 01:09:26,496 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-07 01:09:26,515 INFO L208 MainTranslator]: Completed translation [2021-12-07 01:09:26,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26 WrapperNode [2021-12-07 01:09:26,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-07 01:09:26,516 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-07 01:09:26,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-07 01:09:26,516 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-07 01:09:26,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,544 INFO L137 Inliner]: procedures = 110, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2021-12-07 01:09:26,545 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-07 01:09:26,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-07 01:09:26,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-07 01:09:26,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-07 01:09:26,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,560 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,561 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-07 01:09:26,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-07 01:09:26,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-07 01:09:26,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-07 01:09:26,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (1/1) ... [2021-12-07 01:09:26,570 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:26,579 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:26,588 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:26,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-07 01:09:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-07 01:09:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-07 01:09:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-07 01:09:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-07 01:09:26,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-07 01:09:26,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-07 01:09:26,692 INFO L236 CfgBuilder]: Building ICFG [2021-12-07 01:09:26,693 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-07 01:09:26,775 INFO L277 CfgBuilder]: Performing block encoding [2021-12-07 01:09:26,781 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-07 01:09:26,781 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-07 01:09:26,783 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:09:26 BoogieIcfgContainer [2021-12-07 01:09:26,783 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-07 01:09:26,784 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-07 01:09:26,784 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-07 01:09:26,787 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-07 01:09:26,787 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:09:26,788 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 01:09:26" (1/3) ... [2021-12-07 01:09:26,788 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@90f0c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:09:26, skipping insertion in model container [2021-12-07 01:09:26,788 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:09:26,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:09:26" (2/3) ... [2021-12-07 01:09:26,789 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@90f0c63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 01:09:26, skipping insertion in model container [2021-12-07 01:09:26,789 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-07 01:09:26,789 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:09:26" (3/3) ... [2021-12-07 01:09:26,791 INFO L388 chiAutomizerObserver]: Analyzing ICFG add_last-alloca-2.i [2021-12-07 01:09:26,834 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-07 01:09:26,835 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-07 01:09:26,835 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-07 01:09:26,835 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-07 01:09:26,835 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-07 01:09:26,835 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-07 01:09:26,835 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-07 01:09:26,835 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-07 01:09:26,849 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:26,862 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:09:26,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:09:26,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:09:26,866 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 01:09:26,867 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 01:09:26,867 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-07 01:09:26,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:26,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-12-07 01:09:26,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-07 01:09:26,869 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-07 01:09:26,869 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-07 01:09:26,869 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-12-07 01:09:26,874 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet2#1, main_#t~malloc3#1.base, main_#t~malloc3#1.offset, main_#t~mem6#1, main_#t~mem7#1, main_#t~post8#1.base, main_#t~post8#1.offset, main_#t~mem4#1, main_#t~mem5#1, main_~i~0#1, main_~j~0#1, main_~length~0#1, main_~arr~0#1.base, main_~arr~0#1.offset, main_~a~0#1.base, main_~a~0#1.offset;havoc main_~i~0#1;havoc main_~j~0#1;main_~length~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 10#L550true assume !(main_~length~0#1 < 1); 11#L550-2true call main_#t~malloc3#1.base, main_#t~malloc3#1.offset := #Ultimate.allocOnStack(4 * main_~length~0#1);main_~arr~0#1.base, main_~arr~0#1.offset := main_#t~malloc3#1.base, main_#t~malloc3#1.offset; 12#L552true assume !(main_~arr~0#1.base == 0 && main_~arr~0#1.offset == 0);main_~a~0#1.base, main_~a~0#1.offset := main_~arr~0#1.base, main_~arr~0#1.offset; 6#L554-3true [2021-12-07 01:09:26,874 INFO L793 eck$LassoCheckResult]: Loop: 6#L554-3true call main_#t~mem4#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem5#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~length~0#1 - 4, 4); 7#L554-1true assume !!(main_#t~mem4#1 != main_#t~mem5#1);havoc main_#t~mem4#1;havoc main_#t~mem5#1;call main_#t~mem6#1 := read~int(main_~a~0#1.base, main_~a~0#1.offset, 4);call main_#t~mem7#1 := read~int(main_~arr~0#1.base, main_~arr~0#1.offset + 4 * main_~length~0#1 - 4, 4);call write~int(main_#t~mem6#1 + main_#t~mem7#1, main_~a~0#1.base, main_~a~0#1.offset, 4);havoc main_#t~mem6#1;havoc main_#t~mem7#1;main_#t~post8#1.base, main_#t~post8#1.offset := main_~a~0#1.base, main_~a~0#1.offset;main_~a~0#1.base, main_~a~0#1.offset := main_#t~post8#1.base, 4 + main_#t~post8#1.offset;havoc main_#t~post8#1.base, main_#t~post8#1.offset; 6#L554-3true [2021-12-07 01:09:26,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:09:26,879 INFO L85 PathProgramCache]: Analyzing trace with hash 28695753, now seen corresponding path program 1 times [2021-12-07 01:09:26,885 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:09:26,885 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644709177] [2021-12-07 01:09:26,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:09:26,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:09:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:09:26,963 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:09:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:09:26,990 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:09:26,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:09:26,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1574, now seen corresponding path program 1 times [2021-12-07 01:09:26,992 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:09:26,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159302126] [2021-12-07 01:09:26,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:09:26,993 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:09:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:09:27,010 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:09:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:09:27,021 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:09:27,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:09:27,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1806815470, now seen corresponding path program 1 times [2021-12-07 01:09:27,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-07 01:09:27,023 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319217353] [2021-12-07 01:09:27,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-07 01:09:27,023 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-07 01:09:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:09:27,046 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-07 01:09:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-07 01:09:27,065 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-07 01:09:27,295 INFO L210 LassoAnalysis]: Preferences: [2021-12-07 01:09:27,296 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-07 01:09:27,296 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-07 01:09:27,296 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-07 01:09:27,296 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-07 01:09:27,296 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,296 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-07 01:09:27,296 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-07 01:09:27,296 INFO L133 ssoRankerPreferences]: Filename of dumped script: add_last-alloca-2.i_Iteration1_Lasso [2021-12-07 01:09:27,296 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-07 01:09:27,296 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-07 01:09:27,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,316 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,318 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,324 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,328 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,330 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,331 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,335 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,336 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,338 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,470 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-07 01:09:27,648 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-07 01:09:27,651 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-07 01:09:27,652 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,653 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-07 01:09:27,655 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,663 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,663 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:27,663 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,663 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,663 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:27,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:27,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-07 01:09:27,686 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,687 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-07 01:09:27,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,698 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:09:27,698 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:09:27,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-07 01:09:27,719 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,720 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-07 01:09:27,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:27,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,731 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:27,731 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:27,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,751 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-07 01:09:27,751 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,752 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-07 01:09:27,753 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,760 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:27,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:27,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:27,762 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,781 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-07 01:09:27,781 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-07 01:09:27,783 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,790 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,790 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,790 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,792 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:09:27,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:09:27,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,814 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-07 01:09:27,814 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,815 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-07 01:09:27,816 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,823 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:27,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,824 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:27,824 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:27,825 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,843 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-07 01:09:27,843 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,844 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,845 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-07 01:09:27,845 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,853 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,853 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:27,853 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,853 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,853 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,854 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:27,854 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:27,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,873 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-07 01:09:27,873 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,874 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-07 01:09:27,875 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,882 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,882 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,882 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,882 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,884 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:09:27,884 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:09:27,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,905 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-07 01:09:27,905 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,906 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-07 01:09:27,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,914 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,914 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:27,914 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,914 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,914 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,915 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:27,915 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:27,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-07 01:09:27,935 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,936 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-07 01:09:27,937 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:27,945 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,945 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:27,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,945 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,946 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:27,946 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:27,947 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:27,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-07 01:09:27,966 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:27,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:27,967 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:27,968 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-07 01:09:27,968 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 [2021-12-07 01:09:27,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:27,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:27,977 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:27,977 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:27,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:09:27,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:09:27,983 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:28,001 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-12-07 01:09:28,001 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:28,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:28,002 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:28,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-07 01:09:28,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:28,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:28,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:28,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:28,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:28,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:28,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:28,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:28,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:28,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-12-07 01:09:28,034 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:28,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:28,034 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:28,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-07 01:09:28,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:28,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:28,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:28,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:28,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:28,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:28,044 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:28,044 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:28,045 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:28,065 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-07 01:09:28,065 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:28,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:28,066 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:28,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-07 01:09:28,067 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:28,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:28,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-07 01:09:28,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:28,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:28,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:28,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-07 01:09:28,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-07 01:09:28,076 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:28,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-07 01:09:28,094 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:28,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:28,095 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:28,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-12-07 01:09:28,096 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:28,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:28,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:28,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:28,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:28,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:09:28,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:09:28,112 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-07 01:09:28,130 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2021-12-07 01:09:28,131 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:28,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:28,131 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:28,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-12-07 01:09:28,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-07 01:09:28,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-07 01:09:28,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-07 01:09:28,141 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-07 01:09:28,141 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-07 01:09:28,146 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-07 01:09:28,146 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-07 01:09:28,157 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-07 01:09:28,184 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2021-12-07 01:09:28,184 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-12-07 01:09:28,186 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-07 01:09:28,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 [2021-12-07 01:09:28,187 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-07 01:09:28,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-12-07 01:09:28,228 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-07 01:09:28,238 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2021-12-07 01:09:28,239 INFO L513 LassoAnalysis]: Proved termination. [2021-12-07 01:09:28,239 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length~0#1, ULTIMATE.start_main_~a~0#1.offset) = 4*ULTIMATE.start_main_~length~0#1 - 1*ULTIMATE.start_main_~a~0#1.offset Supporting invariants [4*ULTIMATE.start_main_~length~0#1 - 1*v_rep(select #length ULTIMATE.start_main_#t~malloc3#1.base)_1 >= 0] [2021-12-07 01:09:28,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2021-12-07 01:09:28,274 INFO L297 tatePredicateManager]: 4 out of 7 supporting invariants were superfluous and have been removed [2021-12-07 01:09:28,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-07 01:09:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:09:28,315 INFO L263 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-07 01:09:28,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:09:28,361 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2021-12-07 01:09:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-07 01:09:28,379 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2021-12-07 01:09:28,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-07 01:09:28,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-07 01:09:28,440 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2021-12-07 01:09:28,441 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:28,492 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 24 transitions. Complement of second has 7 states. [2021-12-07 01:09:28,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2021-12-07 01:09:28,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-07 01:09:28,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 16 transitions. [2021-12-07 01:09:28,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2021-12-07 01:09:28,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:09:28,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 7 letters. Loop has 2 letters. [2021-12-07 01:09:28,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:09:28,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 16 transitions. Stem has 5 letters. Loop has 4 letters. [2021-12-07 01:09:28,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-07 01:09:28,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2021-12-07 01:09:28,501 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:09:28,503 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2021-12-07 01:09:28,503 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-07 01:09:28,503 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-07 01:09:28,504 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-07 01:09:28,504 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-07 01:09:28,504 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:09:28,504 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:09:28,504 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-07 01:09:28,504 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-07 01:09:28,504 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-07 01:09:28,504 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-07 01:09:28,504 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-07 01:09:28,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 01:09:28 BoogieIcfgContainer [2021-12-07 01:09:28,509 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-07 01:09:28,510 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-07 01:09:28,510 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-07 01:09:28,510 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-07 01:09:28,510 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:09:26" (3/4) ... [2021-12-07 01:09:28,513 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-07 01:09:28,513 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-07 01:09:28,514 INFO L158 Benchmark]: Toolchain (without parser) took 2271.17ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 61.9MB in the beginning and 68.8MB in the end (delta: -6.9MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2021-12-07 01:09:28,514 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:09:28,514 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.78ms. Allocated memory is still 104.9MB. Free memory was 61.7MB in the beginning and 74.0MB in the end (delta: -12.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 01:09:28,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.65ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 72.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:09:28,515 INFO L158 Benchmark]: Boogie Preprocessor took 16.87ms. Allocated memory is still 104.9MB. Free memory was 72.3MB in the beginning and 71.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-07 01:09:28,516 INFO L158 Benchmark]: RCFGBuilder took 220.12ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 61.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-07 01:09:28,516 INFO L158 Benchmark]: BuchiAutomizer took 1725.77ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 61.4MB in the beginning and 68.8MB in the end (delta: -7.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2021-12-07 01:09:28,516 INFO L158 Benchmark]: Witness Printer took 3.27ms. Allocated memory is still 125.8MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-07 01:09:28,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.78ms. Allocated memory is still 104.9MB. Free memory was 61.7MB in the beginning and 74.0MB in the end (delta: -12.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.65ms. Allocated memory is still 104.9MB. Free memory was 74.0MB in the beginning and 72.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.87ms. Allocated memory is still 104.9MB. Free memory was 72.3MB in the beginning and 71.0MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 220.12ms. Allocated memory is still 104.9MB. Free memory was 71.0MB in the beginning and 61.4MB in the end (delta: 9.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1725.77ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 61.4MB in the beginning and 68.8MB in the end (delta: -7.4MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 3.27ms. Allocated memory is still 125.8MB. Free memory is still 68.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 4 * length + -1 * a and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 9 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 8 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital143 mio100 ax112 hnf100 lsp85 ukn86 mio100 lsp53 div100 bol100 ite100 ukn100 eq173 hnf90 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 14ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-07 01:09:28,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2021-12-07 01:09:28,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d30112d-9c61-4569-aaf9-6fca080fadad/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE