./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a9da884533d6d47d95abcc742a22337ea753025b .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:14:59,452 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:14:59,454 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:14:59,496 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:14:59,497 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:14:59,502 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:14:59,505 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:14:59,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:14:59,513 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:14:59,521 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:14:59,523 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:14:59,524 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:14:59,527 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:14:59,529 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:14:59,532 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:14:59,534 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:14:59,557 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:14:59,558 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:14:59,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:14:59,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:14:59,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:14:59,574 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:14:59,578 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:14:59,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:14:59,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:14:59,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:14:59,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:14:59,596 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:14:59,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:14:59,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:14:59,599 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:14:59,600 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:14:59,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:14:59,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:14:59,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:14:59,621 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:14:59,622 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:14:59,622 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:14:59,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:14:59,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:14:59,624 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:14:59,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:14:59,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:14:59,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:14:59,682 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:14:59,682 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:14:59,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:14:59,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:14:59,684 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:14:59,685 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:14:59,685 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:14:59,685 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:14:59,686 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:14:59,687 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:14:59,687 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:14:59,687 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:14:59,687 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:14:59,688 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:14:59,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:14:59,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:14:59,688 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:14:59,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:14:59,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:14:59,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:14:59,689 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:14:59,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:14:59,690 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:14:59,690 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:14:59,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:14:59,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:14:59,692 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:14:59,693 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:14:59,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:14:59,693 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:14:59,694 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:14:59,695 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_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9da884533d6d47d95abcc742a22337ea753025b [2021-10-15 19:14:59,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:15:00,006 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:15:00,009 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:15:00,011 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:15:00,013 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:15:00,014 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i [2021-10-15 19:15:00,088 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/data/f8564be7c/b09d3f4b51c443239d192326c7edca07/FLAGc2cb3c78c [2021-10-15 19:15:00,718 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:15:00,719 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i [2021-10-15 19:15:00,731 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/data/f8564be7c/b09d3f4b51c443239d192326c7edca07/FLAGc2cb3c78c [2021-10-15 19:15:00,975 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/data/f8564be7c/b09d3f4b51c443239d192326c7edca07 [2021-10-15 19:15:00,978 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:15:00,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:15:00,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:15:00,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:15:00,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:15:00,997 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:15:00" (1/1) ... [2021-10-15 19:15:00,999 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5179b907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:00, skipping insertion in model container [2021-10-15 19:15:01,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:15:00" (1/1) ... [2021-10-15 19:15:01,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:15:01,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:15:01,319 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:15:01,328 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:15:01,376 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:15:01,426 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:15:01,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01 WrapperNode [2021-10-15 19:15:01,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:15:01,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:15:01,431 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:15:01,431 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:15:01,440 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,497 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:15:01,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:15:01,499 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:15:01,499 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:15:01,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,510 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,517 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:15:01,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:15:01,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:15:01,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:15:01,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (1/1) ... [2021-10-15 19:15:01,562 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:01,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:01,590 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:01,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:15:01,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-15 19:15:01,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-15 19:15:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:15:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-15 19:15:01,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:15:01,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:15:01,985 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:15:01,985 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-15 19:15:01,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:15:01 BoogieIcfgContainer [2021-10-15 19:15:01,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:15:01,988 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:15:01,988 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:15:01,992 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:15:01,993 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:15:01,993 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:15:00" (1/3) ... [2021-10-15 19:15:01,994 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40ba7677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:15:01, skipping insertion in model container [2021-10-15 19:15:01,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:15:01,995 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:15:01" (2/3) ... [2021-10-15 19:15:01,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@40ba7677 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:15:01, skipping insertion in model container [2021-10-15 19:15:01,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:15:01,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:15:01" (3/3) ... [2021-10-15 19:15:01,997 INFO L389 chiAutomizerObserver]: Analyzing ICFG cstrlen-alloca-2.i [2021-10-15 19:15:02,058 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:15:02,059 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:15:02,059 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:15:02,059 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:15:02,059 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:15:02,059 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:15:02,059 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:15:02,059 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:15:02,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:02,092 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-15 19:15:02,092 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:15:02,092 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:15:02,099 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-15 19:15:02,099 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 19:15:02,099 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:15:02,100 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:02,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2021-10-15 19:15:02,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:15:02,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:15:02,102 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-10-15 19:15:02,103 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 19:15:02,110 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 7#L-1true havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~0, main_#t~ret8, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet4;havoc main_#t~nondet4; 15#L522true assume !(main_~length1~0 < 1); 12#L522-2true call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~0 := 0; 10#L527-3true [2021-10-15 19:15:02,111 INFO L793 eck$LassoCheckResult]: Loop: 10#L527-3true assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet7, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 13#L527-2true main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 10#L527-3true [2021-10-15 19:15:02,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:02,118 INFO L82 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2021-10-15 19:15:02,129 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:02,129 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522369202] [2021-10-15 19:15:02,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:02,130 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:02,228 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:15:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:02,261 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:15:02,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:02,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2021-10-15 19:15:02,265 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:02,266 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714396452] [2021-10-15 19:15:02,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:02,266 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:02,280 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:15:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:02,293 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:15:02,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:02,295 INFO L82 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2021-10-15 19:15:02,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:02,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [654491713] [2021-10-15 19:15:02,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:02,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:02,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:02,320 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:15:02,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:02,342 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:15:02,625 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:15:02,626 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:15:02,626 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:15:02,626 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:15:02,627 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:15:02,627 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:02,627 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:15:02,627 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:15:02,627 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-2.i_Iteration1_Lasso [2021-10-15 19:15:02,628 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:15:02,628 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:15:02,650 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,656 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,658 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,661 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,665 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,769 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,773 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,776 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:02,778 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:03,002 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:15:03,007 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:15:03,009 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:03,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:03,011 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:03,024 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:03,035 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:03,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:03,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:03,049 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:03,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:03,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:15:03,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:03,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:03,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:03,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:03,097 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:03,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:03,099 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:03,107 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:15:03,108 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:03,119 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:03,119 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:03,119 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:03,119 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:03,119 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:03,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:03,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:03,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:03,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:03,175 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:03,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:03,180 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:03,187 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:03,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:03,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:03,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:03,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:03,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:03,200 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:03,200 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:03,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:15:03,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:03,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:03,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:03,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:03,238 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:03,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:03,255 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:15:03,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:03,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:03,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:03,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:03,261 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:15:03,262 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:15:03,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:03,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:03,334 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:03,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:03,335 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:03,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:03,354 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:03,354 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:03,354 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:03,354 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:03,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:15:03,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:15:03,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:15:03,374 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:03,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:03,414 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:03,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:03,417 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:03,423 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:03,433 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:03,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:03,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:03,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:03,433 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:03,435 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:03,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:03,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:15:03,439 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:03,471 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:03,471 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:03,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:03,472 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:03,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:15:03,475 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:03,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:03,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:03,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:03,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:03,494 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:15:03,494 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:15:03,515 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:15:03,550 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2021-10-15 19:15:03,550 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2021-10-15 19:15:03,552 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:03,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:03,554 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:03,596 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:15:03,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:15:03,628 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 19:15:03,628 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:15:03,629 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~length1~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-15 19:15:03,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:03,674 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2021-10-15 19:15:03,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:15:03,750 INFO L263 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-15 19:15:03,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:15:03,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:15:03,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:15:03,785 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:15:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:03,847 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-15 19:15:03,849 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:03,912 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 7 states. [2021-10-15 19:15:03,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 19:15:03,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:03,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2021-10-15 19:15:03,919 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2021-10-15 19:15:03,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:15:03,921 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 2 letters. [2021-10-15 19:15:03,921 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:15:03,922 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 4 letters. [2021-10-15 19:15:03,922 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:15:03,923 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2021-10-15 19:15:03,931 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 19:15:03,934 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 10 states and 13 transitions. [2021-10-15 19:15:03,936 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2021-10-15 19:15:03,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-15 19:15:03,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2021-10-15 19:15:03,937 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:15:03,937 INFO L681 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-15 19:15:03,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2021-10-15 19:15:03,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2021-10-15 19:15:03,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:03,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2021-10-15 19:15:03,965 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-15 19:15:03,965 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2021-10-15 19:15:03,965 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:15:03,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2021-10-15 19:15:03,966 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 19:15:03,966 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:15:03,966 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:15:03,966 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-10-15 19:15:03,967 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 19:15:03,967 INFO L791 eck$LassoCheckResult]: Stem: 105#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 106#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~0, main_#t~ret8, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet4;havoc main_#t~nondet4; 112#L522 assume !(main_~length1~0 < 1); 107#L522-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~0 := 0; 108#L527-3 assume !(main_~i~0 < main_~length1~0 - 1); 111#L527-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset, cstrlen_#t~mem2, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 104#L516-3 [2021-10-15 19:15:03,967 INFO L793 eck$LassoCheckResult]: Loop: 104#L516-3 call cstrlen_#t~mem2 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 103#L516-1 assume !!(0 != cstrlen_#t~mem2);havoc cstrlen_#t~mem2;cstrlen_#t~post3.base, cstrlen_#t~post3.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post3.base, 1 + cstrlen_#t~post3.offset;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset; 104#L516-3 [2021-10-15 19:15:03,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:03,968 INFO L82 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2021-10-15 19:15:03,968 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:03,968 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801650578] [2021-10-15 19:15:03,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:03,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:03,985 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:15:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,013 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:15:04,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:04,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 1 times [2021-10-15 19:15:04,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:04,015 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223283149] [2021-10-15 19:15:04,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:04,015 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:04,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,029 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:15:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,035 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:15:04,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:04,050 INFO L82 PathProgramCache]: Analyzing trace with hash 176738514, now seen corresponding path program 1 times [2021-10-15 19:15:04,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:04,051 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193420724] [2021-10-15 19:15:04,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:04,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:04,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:15:04,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:04,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-15 19:15:04,274 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193420724] [2021-10-15 19:15:04,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193420724] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-15 19:15:04,275 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-15 19:15:04,275 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-15 19:15:04,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156680299] [2021-10-15 19:15:04,324 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-15 19:15:04,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-15 19:15:04,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-15 19:15:04,330 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:04,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-15 19:15:04,429 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2021-10-15 19:15:04,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-15 19:15:04,430 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2021-10-15 19:15:04,432 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 19:15:04,433 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 11 states and 13 transitions. [2021-10-15 19:15:04,433 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-10-15 19:15:04,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2021-10-15 19:15:04,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2021-10-15 19:15:04,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:15:04,434 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 13 transitions. [2021-10-15 19:15:04,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2021-10-15 19:15:04,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2021-10-15 19:15:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:15:04,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2021-10-15 19:15:04,437 INFO L704 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-15 19:15:04,437 INFO L587 BuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2021-10-15 19:15:04,437 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-15 19:15:04,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2021-10-15 19:15:04,440 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-10-15 19:15:04,440 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:15:04,440 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:15:04,441 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-15 19:15:04,441 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-10-15 19:15:04,441 INFO L791 eck$LassoCheckResult]: Stem: 149#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier; 150#L-1 havoc main_#res;havoc main_#t~nondet4, main_#t~malloc5.base, main_#t~malloc5.offset, main_#t~nondet7, main_#t~post6, main_~i~0, main_#t~ret8, main_~length1~0, main_~nondetString1~0.base, main_~nondetString1~0.offset;main_~length1~0 := main_#t~nondet4;havoc main_#t~nondet4; 154#L522 assume !(main_~length1~0 < 1); 147#L522-2 call main_#t~malloc5.base, main_#t~malloc5.offset := #Ultimate.allocOnStack(main_~length1~0);main_~nondetString1~0.base, main_~nondetString1~0.offset := main_#t~malloc5.base, main_#t~malloc5.offset;main_~i~0 := 0; 148#L527-3 assume !!(main_~i~0 < main_~length1~0 - 1);call write~int(main_#t~nondet7, main_~nondetString1~0.base, main_~nondetString1~0.offset + main_~i~0, 1);havoc main_#t~nondet7; 151#L527-2 main_#t~post6 := main_~i~0;main_~i~0 := 1 + main_#t~post6;havoc main_#t~post6; 152#L527-3 assume !(main_~i~0 < main_~length1~0 - 1); 153#L527-4 call write~int(0, main_~nondetString1~0.base, main_~nondetString1~0.offset + (main_~length1~0 - 1), 1);cstrlen_#in~s.base, cstrlen_#in~s.offset := main_~nondetString1~0.base, main_~nondetString1~0.offset;havoc cstrlen_#res;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset, cstrlen_#t~mem2, cstrlen_~s.base, cstrlen_~s.offset, cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~s.base, cstrlen_~s.offset := cstrlen_#in~s.base, cstrlen_#in~s.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_~s.base, cstrlen_~s.offset; 146#L516-3 [2021-10-15 19:15:04,441 INFO L793 eck$LassoCheckResult]: Loop: 146#L516-3 call cstrlen_#t~mem2 := read~int(cstrlen_~p~0.base, cstrlen_~p~0.offset, 1); 145#L516-1 assume !!(0 != cstrlen_#t~mem2);havoc cstrlen_#t~mem2;cstrlen_#t~post3.base, cstrlen_#t~post3.offset := cstrlen_~p~0.base, cstrlen_~p~0.offset;cstrlen_~p~0.base, cstrlen_~p~0.offset := cstrlen_#t~post3.base, 1 + cstrlen_#t~post3.offset;havoc cstrlen_#t~post3.base, cstrlen_#t~post3.offset; 146#L516-3 [2021-10-15 19:15:04,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:04,442 INFO L82 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2021-10-15 19:15:04,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:04,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484259089] [2021-10-15 19:15:04,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:04,443 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,486 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:15:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,514 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:15:04,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:04,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 2 times [2021-10-15 19:15:04,515 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:04,516 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185711974] [2021-10-15 19:15:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:04,516 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,521 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:15:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,538 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:15:04,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:04,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1899811660, now seen corresponding path program 1 times [2021-10-15 19:15:04,539 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:15:04,540 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114807505] [2021-10-15 19:15:04,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:15:04,540 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:15:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,576 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:15:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:15:04,602 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:15:05,007 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-15 19:15:05,116 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:15:05,116 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:15:05,116 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:15:05,117 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:15:05,117 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:15:05,117 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:05,117 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:15:05,117 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:15:05,117 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-2.i_Iteration3_Lasso [2021-10-15 19:15:05,117 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:15:05,117 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:15:05,122 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,124 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,126 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,128 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,130 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,134 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,137 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,139 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,142 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,145 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,148 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,314 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,317 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,320 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,322 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:15:05,628 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:15:05,628 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:15:05,629 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:05,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:05,636 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:05,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:05,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:05,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:05,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:05,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:05,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:05,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:05,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:05,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:15:05,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:05,704 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:05,705 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:05,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:05,706 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:05,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 19:15:05,715 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:05,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:05,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:05,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:05,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:05,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:05,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:05,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:05,738 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:05,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:05,773 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:05,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:05,774 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:05,784 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:05,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-10-15 19:15:05,792 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:05,792 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:05,792 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:05,792 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:05,792 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:05,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:05,793 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:05,806 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:05,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:05,832 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:05,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:05,833 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:05,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-10-15 19:15:05,836 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:05,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:05,844 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:05,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:05,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:05,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:05,845 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:05,845 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:05,875 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:05,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:05,907 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:05,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:05,908 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:05,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-10-15 19:15:05,910 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:05,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:05,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:05,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:05,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:05,920 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:15:05,920 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:15:05,943 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:05,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:05,978 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:05,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:05,984 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:05,990 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:05,999 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:06,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:06,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:06,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:06,000 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:06,001 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:06,001 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:06,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-10-15 19:15:06,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:06,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:06,038 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:06,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:06,039 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:06,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-10-15 19:15:06,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:06,049 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:06,049 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:06,049 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:06,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:06,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:06,052 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:06,052 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:06,053 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:06,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:06,077 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:06,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:06,078 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:06,080 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-10-15 19:15:06,081 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:06,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:06,088 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:06,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:06,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:06,090 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:15:06,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:15:06,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:06,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:06,136 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:06,137 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:06,137 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:06,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-10-15 19:15:06,142 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:06,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:06,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:06,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:06,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:06,152 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:15:06,152 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:15:06,183 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:06,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:06,206 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:06,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:06,207 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:06,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-10-15 19:15:06,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:06,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:06,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:15:06,217 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:06,217 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:06,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:06,217 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:15:06,217 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:15:06,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:06,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:06,272 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:06,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:06,273 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:06,276 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:06,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-10-15 19:15:06,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:06,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:06,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:06,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:06,289 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:15:06,289 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:15:06,319 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:15:06,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:06,350 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:06,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:06,351 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:06,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-10-15 19:15:06,355 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-15 19:15:06,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:15:06,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:15:06,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:15:06,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:15:06,373 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-10-15 19:15:06,374 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-10-15 19:15:06,394 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:15:06,465 INFO L443 ModelExtractionUtils]: Simplification made 22 calls to the SMT solver. [2021-10-15 19:15:06,465 INFO L444 ModelExtractionUtils]: 15 out of 31 variables were initially zero. Simplification set additionally 13 variables to zero. [2021-10-15 19:15:06,466 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:15:06,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:15:06,472 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:15:06,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-10-15 19:15:06,479 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:15:06,498 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2021-10-15 19:15:06,498 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:15:06,498 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrlen_~p~0.offset, v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2) = -1*ULTIMATE.start_cstrlen_~p~0.offset + 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0.base)_2 Supporting invariants [] [2021-10-15 19:15:06,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:06,550 INFO L297 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2021-10-15 19:15:06,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:15:06,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:15:06,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:15:06,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:15:06,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:15:06,639 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-15 19:15:06,640 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:15:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:15:06,676 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-15 19:15:06,676 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-10-15 19:15:06,706 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 12 states and 15 transitions. Complement of second has 4 states. [2021-10-15 19:15:06,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-10-15 19:15:06,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-10-15 19:15:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2021-10-15 19:15:06,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2021-10-15 19:15:06,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:15:06,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-10-15 19:15:06,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:15:06,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2021-10-15 19:15:06,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:15:06,711 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2021-10-15 19:15:06,712 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:15:06,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2021-10-15 19:15:06,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:15:06,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:15:06,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:15:06,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:15:06,713 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:15:06,713 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:15:06,714 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:15:06,714 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-10-15 19:15:06,714 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:15:06,714 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:15:06,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:15:06,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:15:06 BoogieIcfgContainer [2021-10-15 19:15:06,721 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:15:06,722 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:15:06,722 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:15:06,722 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:15:06,723 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:15:01" (3/4) ... [2021-10-15 19:15:06,726 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:15:06,726 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:15:06,736 INFO L168 Benchmark]: Toolchain (without parser) took 5739.68 ms. Allocated memory was 90.2 MB in the beginning and 159.4 MB in the end (delta: 69.2 MB). Free memory was 58.7 MB in the beginning and 120.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 9.0 MB. Max. memory is 16.1 GB. [2021-10-15 19:15:06,736 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:15:06,739 INFO L168 Benchmark]: CACSL2BoogieTranslator took 440.28 ms. Allocated memory is still 90.2 MB. Free memory was 58.4 MB in the beginning and 43.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:15:06,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.55 ms. Allocated memory is still 90.2 MB. Free memory was 43.3 MB in the beginning and 41.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:15:06,741 INFO L168 Benchmark]: Boogie Preprocessor took 44.89 ms. Allocated memory is still 90.2 MB. Free memory was 41.6 MB in the beginning and 40.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:15:06,742 INFO L168 Benchmark]: RCFGBuilder took 442.60 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 40.2 MB in the beginning and 101.5 MB in the end (delta: -61.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2021-10-15 19:15:06,746 INFO L168 Benchmark]: BuchiAutomizer took 4733.35 ms. Allocated memory was 125.8 MB in the beginning and 159.4 MB in the end (delta: 33.6 MB). Free memory was 101.4 MB in the beginning and 120.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-15 19:15:06,748 INFO L168 Benchmark]: Witness Printer took 4.67 ms. Allocated memory is still 159.4 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:15:06,751 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory was 58.6 MB in the beginning and 58.6 MB in the end (delta: 40.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 440.28 ms. Allocated memory is still 90.2 MB. Free memory was 58.4 MB in the beginning and 43.4 MB in the end (delta: 15.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 67.55 ms. Allocated memory is still 90.2 MB. Free memory was 43.3 MB in the beginning and 41.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.89 ms. Allocated memory is still 90.2 MB. Free memory was 41.6 MB in the beginning and 40.4 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 442.60 ms. Allocated memory was 90.2 MB in the beginning and 125.8 MB in the end (delta: 35.7 MB). Free memory was 40.2 MB in the beginning and 101.5 MB in the end (delta: -61.3 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 4733.35 ms. Allocated memory was 125.8 MB in the beginning and 159.4 MB in the end (delta: 33.6 MB). Free memory was 101.4 MB in the beginning and 120.5 MB in the end (delta: -19.1 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.67 ms. Allocated memory is still 159.4 MB. Free memory is still 120.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[nondetString1] + -1 * p and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 14.8ms AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 10 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 26 SDtfs, 40 SDslu, 27 SDs, 0 SdLazy, 46 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49.6ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital115 mio100 ax116 hnf99 lsp80 ukn85 mio100 lsp59 div100 bol100 ite100 ukn100 eq170 hnf90 smp96 dnf100 smp100 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 54ms 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! [2021-10-15 19:15:06,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-10-15 19:15:06,989 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_123a4cd5-3a5d-478f-83ba-325666ab6c5c/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...