./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.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_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/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_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/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_37e849c7-b38e-4344-a85c-4096e0b5179a/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 ae37599e398d4579dc13aa902332f9c984a4acd0674bb835a0d1e4887393314e --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 18:06:28,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 18:06:28,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 18:06:28,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 18:06:28,664 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 18:06:28,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 18:06:28,666 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 18:06:28,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 18:06:28,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 18:06:28,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 18:06:28,671 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 18:06:28,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 18:06:28,673 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 18:06:28,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 18:06:28,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 18:06:28,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 18:06:28,677 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 18:06:28,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 18:06:28,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 18:06:28,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 18:06:28,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 18:06:28,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 18:06:28,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 18:06:28,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 18:06:28,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 18:06:28,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 18:06:28,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 18:06:28,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 18:06:28,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 18:06:28,690 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 18:06:28,691 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 18:06:28,691 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 18:06:28,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 18:06:28,692 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 18:06:28,693 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 18:06:28,693 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 18:06:28,694 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 18:06:28,694 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 18:06:28,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 18:06:28,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 18:06:28,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 18:06:28,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 18:06:28,713 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 18:06:28,713 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 18:06:28,713 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 18:06:28,713 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 18:06:28,714 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 18:06:28,714 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 18:06:28,714 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 18:06:28,715 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 18:06:28,715 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 18:06:28,715 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 18:06:28,715 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 18:06:28,715 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 18:06:28,715 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 18:06:28,715 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 18:06:28,715 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 18:06:28,715 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 18:06:28,716 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 18:06:28,716 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 18:06:28,716 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 18:06:28,716 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 18:06:28,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 18:06:28,716 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 18:06:28,716 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 18:06:28,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 18:06:28,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 18:06:28,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 18:06:28,717 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 18:06:28,717 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 18:06:28,717 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 18:06:28,718 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 18:06:28,718 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_37e849c7-b38e-4344-a85c-4096e0b5179a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae37599e398d4579dc13aa902332f9c984a4acd0674bb835a0d1e4887393314e [2021-12-06 18:06:28,907 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 18:06:28,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 18:06:28,926 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 18:06:28,927 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 18:06:28,928 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 18:06:28,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2021-12-06 18:06:28,971 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/data/f310a3fdc/263a5ab6c99b40a7a2a4a8991cdc7048/FLAGc9f39fcb3 [2021-12-06 18:06:29,387 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 18:06:29,388 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/sv-benchmarks/c/termination-memory-alloca/subseq-alloca-1.i [2021-12-06 18:06:29,396 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/data/f310a3fdc/263a5ab6c99b40a7a2a4a8991cdc7048/FLAGc9f39fcb3 [2021-12-06 18:06:29,406 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/data/f310a3fdc/263a5ab6c99b40a7a2a4a8991cdc7048 [2021-12-06 18:06:29,408 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 18:06:29,409 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 18:06:29,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 18:06:29,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 18:06:29,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 18:06:29,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,413 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@586e901a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29, skipping insertion in model container [2021-12-06 18:06:29,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,419 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 18:06:29,448 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 18:06:29,634 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:06:29,640 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 18:06:29,664 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 18:06:29,683 INFO L208 MainTranslator]: Completed translation [2021-12-06 18:06:29,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29 WrapperNode [2021-12-06 18:06:29,683 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 18:06:29,684 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 18:06:29,684 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 18:06:29,684 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 18:06:29,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,713 INFO L137 Inliner]: procedures = 111, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2021-12-06 18:06:29,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 18:06:29,713 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 18:06:29,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 18:06:29,714 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 18:06:29,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,722 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 18:06:29,732 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 18:06:29,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 18:06:29,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 18:06:29,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (1/1) ... [2021-12-06 18:06:29,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:29,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:29,756 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:29,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 18:06:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 18:06:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 18:06:29,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 18:06:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 18:06:29,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 18:06:29,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 18:06:29,861 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 18:06:29,862 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 18:06:29,950 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 18:06:29,954 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 18:06:29,954 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 18:06:29,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:29 BoogieIcfgContainer [2021-12-06 18:06:29,956 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 18:06:29,956 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 18:06:29,956 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 18:06:29,959 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 18:06:29,960 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:06:29,960 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 06:06:29" (1/3) ... [2021-12-06 18:06:29,961 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65ac7650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:06:29, skipping insertion in model container [2021-12-06 18:06:29,961 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:06:29,961 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:29" (2/3) ... [2021-12-06 18:06:29,962 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65ac7650 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 06:06:29, skipping insertion in model container [2021-12-06 18:06:29,962 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 18:06:29,962 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:29" (3/3) ... [2021-12-06 18:06:29,963 INFO L388 chiAutomizerObserver]: Analyzing ICFG subseq-alloca-1.i [2021-12-06 18:06:30,002 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 18:06:30,002 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 18:06:30,002 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 18:06:30,002 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 18:06:30,003 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 18:06:30,003 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 18:06:30,003 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 18:06:30,003 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 18:06:30,012 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:30,026 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-06 18:06:30,026 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:06:30,026 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:06:30,030 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 18:06:30,030 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 18:06:30,030 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 18:06:30,031 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:30,032 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-12-06 18:06:30,033 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 18:06:30,033 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 18:06:30,033 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2021-12-06 18:06:30,033 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2021-12-06 18:06:30,038 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~malloc12#1.base, main_#t~malloc12#1.offset, main_#t~malloc13#1.base, main_#t~malloc13#1.offset, main_#t~ret14#1, main_~length1~0#1, main_~length2~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;main_~length1~0#1 := main_#t~nondet10#1;havoc main_#t~nondet10#1;main_~length2~0#1 := main_#t~nondet11#1;havoc main_#t~nondet11#1; 15#L563true assume !(main_~length1~0#1 < 1); 10#L563-2true assume !(main_~length2~0#1 < 1); 16#L566-1true call main_#t~malloc12#1.base, main_#t~malloc12#1.offset := #Ultimate.allocOnStack(main_~length1~0#1);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc12#1.base, main_#t~malloc12#1.offset;call main_#t~malloc13#1.base, main_#t~malloc13#1.offset := #Ultimate.allocOnStack(main_~length2~0#1);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc13#1.base, main_#t~malloc13#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_subseq } true;subseq_#in~s#1.base, subseq_#in~s#1.offset, subseq_#in~t#1.base, subseq_#in~t#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc subseq_#res#1;havoc subseq_#t~mem5#1, subseq_#t~mem6#1, subseq_#t~post7#1.base, subseq_#t~post7#1.offset, subseq_#t~post8#1.base, subseq_#t~post8#1.offset, subseq_#t~mem2#1, subseq_#t~mem3#1, subseq_#t~short4#1, subseq_#t~mem9#1, subseq_~s#1.base, subseq_~s#1.offset, subseq_~t#1.base, subseq_~t#1.offset, subseq_~ps~0#1.base, subseq_~ps~0#1.offset, subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~s#1.base, subseq_~s#1.offset := subseq_#in~s#1.base, subseq_#in~s#1.offset;subseq_~t#1.base, subseq_~t#1.offset := subseq_#in~t#1.base, subseq_#in~t#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_~s#1.base, subseq_~s#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_~t#1.base, subseq_~t#1.offset; 3#L551-5true [2021-12-06 18:06:30,039 INFO L793 eck$LassoCheckResult]: Loop: 3#L551-5true call subseq_#t~mem2#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem2#1; 7#L551-1true assume subseq_#t~short4#1;call subseq_#t~mem3#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1);subseq_#t~short4#1 := 0 != subseq_#t~mem3#1; 8#L551-3true assume !!subseq_#t~short4#1;havoc subseq_#t~mem2#1;havoc subseq_#t~mem3#1;havoc subseq_#t~short4#1;call subseq_#t~mem5#1 := read~int(subseq_~ps~0#1.base, subseq_~ps~0#1.offset, 1);call subseq_#t~mem6#1 := read~int(subseq_~pt~0#1.base, subseq_~pt~0#1.offset, 1); 11#L552true assume subseq_#t~mem5#1 == subseq_#t~mem6#1;havoc subseq_#t~mem5#1;havoc subseq_#t~mem6#1;subseq_#t~post7#1.base, subseq_#t~post7#1.offset := subseq_~ps~0#1.base, subseq_~ps~0#1.offset;subseq_~ps~0#1.base, subseq_~ps~0#1.offset := subseq_#t~post7#1.base, 1 + subseq_#t~post7#1.offset;havoc subseq_#t~post7#1.base, subseq_#t~post7#1.offset; 12#L552-2true subseq_#t~post8#1.base, subseq_#t~post8#1.offset := subseq_~pt~0#1.base, subseq_~pt~0#1.offset;subseq_~pt~0#1.base, subseq_~pt~0#1.offset := subseq_#t~post8#1.base, 1 + subseq_#t~post8#1.offset;havoc subseq_#t~post8#1.base, subseq_#t~post8#1.offset; 3#L551-5true [2021-12-06 18:06:30,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:30,043 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2021-12-06 18:06:30,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:30,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552941292] [2021-12-06 18:06:30,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:30,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:06:30,138 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:06:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:06:30,169 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:06:30,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:30,172 INFO L85 PathProgramCache]: Analyzing trace with hash 47815647, now seen corresponding path program 1 times [2021-12-06 18:06:30,172 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:30,172 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585554061] [2021-12-06 18:06:30,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:30,172 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:06:30,184 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:06:30,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:06:30,194 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:06:30,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:30,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1594114490, now seen corresponding path program 1 times [2021-12-06 18:06:30,196 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 18:06:30,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344884543] [2021-12-06 18:06:30,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 18:06:30,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 18:06:30,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:06:30,229 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 18:06:30,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 18:06:30,256 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 18:06:30,893 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 18:06:30,894 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 18:06:30,894 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 18:06:30,894 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 18:06:30,894 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 18:06:30,894 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:30,894 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 18:06:30,894 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 18:06:30,894 INFO L133 ssoRankerPreferences]: Filename of dumped script: subseq-alloca-1.i_Iteration1_Lasso [2021-12-06 18:06:30,894 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 18:06:30,895 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 18:06:30,911 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,916 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,918 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,919 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,921 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,922 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,923 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,925 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,926 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,927 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:30,928 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,188 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,190 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,191 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,193 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,195 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,198 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,199 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,202 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 18:06:31,480 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 18:06:31,484 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 18:06:31,485 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 18:06:31,487 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,496 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,500 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:06:31,500 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:06:31,503 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 18:06:31,522 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,522 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,523 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 18:06:31,524 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,531 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,531 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:06:31,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,532 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,532 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,533 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:06:31,533 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:06:31,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,552 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 18:06:31,552 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,553 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 18:06:31,554 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,562 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,562 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:06:31,564 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:06:31,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,585 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 18:06:31,585 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,586 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 18:06:31,587 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:06:31,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:06:31,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:06:31,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 18:06:31,615 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,615 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 18:06:31,616 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,624 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,624 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,624 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,626 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:06:31,626 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:06:31,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 18:06:31,660 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,661 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 18:06:31,662 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,669 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,669 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:06:31,669 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,670 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:06:31,670 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:06:31,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,689 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 18:06:31,690 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,691 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 18:06:31,692 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,699 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:06:31,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,700 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,700 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,700 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:06:31,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:06:31,702 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,720 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 18:06:31,720 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,721 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,725 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 18:06:31,725 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:06:31,732 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,732 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,733 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:06:31,733 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:06:31,734 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 18:06:31,753 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,753 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 18:06:31,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,762 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,762 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:06:31,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,762 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,762 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,763 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:06:31,763 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:06:31,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 18:06:31,782 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,783 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 18:06:31,785 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:06:31,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,793 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,793 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,793 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 18:06:31,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:06:31,794 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2021-12-06 18:06:31,813 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,814 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 18:06:31,816 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 [2021-12-06 18:06:31,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,825 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:06:31,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:06:31,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 18:06:31,846 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,847 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-12-06 18:06:31,848 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,855 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 18:06:31,855 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,855 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2021-12-06 18:06:31,855 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,856 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2021-12-06 18:06:31,856 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 18:06:31,858 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 18:06:31,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-12-06 18:06:31,877 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,877 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,878 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-12-06 18:06:31,878 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 18:06:31,887 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 18:06:31,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 18:06:31,887 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 18:06:31,887 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 18:06:31,895 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 18:06:31,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 18:06:31,909 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 18:06:31,975 INFO L443 ModelExtractionUtils]: Simplification made 21 calls to the SMT solver. [2021-12-06 18:06:31,975 INFO L444 ModelExtractionUtils]: 26 out of 46 variables were initially zero. Simplification set additionally 17 variables to zero. [2021-12-06 18:06:31,977 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 18:06:31,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 18:06:31,978 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 18:06:31,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-12-06 18:06:31,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 18:06:31,990 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-12-06 18:06:31,990 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 18:06:31,991 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1, ULTIMATE.start_subseq_~pt~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc13#1.base)_1 - 1*ULTIMATE.start_subseq_~pt~0#1.offset Supporting invariants [] [2021-12-06 18:06:32,013 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2021-12-06 18:06:32,060 INFO L297 tatePredicateManager]: 15 out of 16 supporting invariants were superfluous and have been removed [2021-12-06 18:06:32,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 18:06:32,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:32,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2021-12-06 18:06:32,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:06:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 18:06:32,121 INFO L263 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 8 conjunts are in the unsatisfiable core [2021-12-06 18:06:32,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 18:06:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 18:06:32,192 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 [2021-12-06 18:06:32,193 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:32,251 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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 2.5) internal successors, (10), 4 states have internal predecessors, (10), 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 34 states and 47 transitions. Complement of second has 8 states. [2021-12-06 18:06:32,252 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 [2021-12-06 18:06:32,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 18:06:32,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2021-12-06 18:06:32,260 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 5 letters. [2021-12-06 18:06:32,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:06:32,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 10 letters. Loop has 5 letters. [2021-12-06 18:06:32,261 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:06:32,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 5 letters. Loop has 10 letters. [2021-12-06 18:06:32,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 18:06:32,262 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 47 transitions. [2021-12-06 18:06:32,265 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:06:32,267 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 0 states and 0 transitions. [2021-12-06 18:06:32,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 18:06:32,268 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 18:06:32,268 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 18:06:32,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 18:06:32,269 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:06:32,269 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:06:32,269 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 18:06:32,269 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 18:06:32,269 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 18:06:32,269 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 18:06:32,269 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 18:06:32,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 06:06:32 BoogieIcfgContainer [2021-12-06 18:06:32,275 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 18:06:32,276 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 18:06:32,276 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 18:06:32,276 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 18:06:32,277 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:29" (3/4) ... [2021-12-06 18:06:32,279 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 18:06:32,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 18:06:32,280 INFO L158 Benchmark]: Toolchain (without parser) took 2870.69ms. Allocated memory was 138.4MB in the beginning and 213.9MB in the end (delta: 75.5MB). Free memory was 97.2MB in the beginning and 147.7MB in the end (delta: -50.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-12-06 18:06:32,280 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:06:32,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 273.49ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 105.1MB in the end (delta: -8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-06 18:06:32,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.28ms. Allocated memory is still 138.4MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 18:06:32,281 INFO L158 Benchmark]: Boogie Preprocessor took 18.29ms. Allocated memory is still 138.4MB. Free memory was 103.0MB in the beginning and 101.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:06:32,282 INFO L158 Benchmark]: RCFGBuilder took 223.60ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 90.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-06 18:06:32,282 INFO L158 Benchmark]: BuchiAutomizer took 2319.05ms. Allocated memory was 138.4MB in the beginning and 213.9MB in the end (delta: 75.5MB). Free memory was 90.5MB in the beginning and 147.7MB in the end (delta: -57.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2021-12-06 18:06:32,282 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 213.9MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 18:06:32,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 138.4MB. Free memory is still 114.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 273.49ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 105.1MB in the end (delta: -8.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.28ms. Allocated memory is still 138.4MB. Free memory was 105.1MB in the beginning and 103.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.29ms. Allocated memory is still 138.4MB. Free memory was 103.0MB in the beginning and 101.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 223.60ms. Allocated memory is still 138.4MB. Free memory was 101.7MB in the beginning and 90.5MB in the end (delta: 11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 2319.05ms. Allocated memory was 138.4MB in the beginning and 213.9MB in the end (delta: 75.5MB). Free memory was 90.5MB in the beginning and 147.7MB in the end (delta: -57.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 213.9MB. Free memory is still 147.7MB. 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 unknown-#length-unknown[__builtin_alloca (length2 * sizeof(char))] + -1 * pt and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 26 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 21 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 13 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital216 mio100 ax108 hnf100 lsp89 ukn89 mio100 lsp43 div100 bol100 ite100 ukn100 eq195 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms 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! [2021-12-06 18:06:32,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-12-06 18:06:32,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_37e849c7-b38e-4344-a85c-4096e0b5179a/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE