./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro --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 b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:48:14,553 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:48:14,559 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:48:14,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:48:14,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:48:14,593 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:48:14,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:48:14,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:48:14,602 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:48:14,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:48:14,606 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:48:14,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:48:14,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:48:14,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:48:14,617 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:48:14,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:48:14,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:48:14,621 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:48:14,623 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:48:14,624 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:48:14,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:48:14,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:48:14,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:48:14,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:48:14,639 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:48:14,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:48:14,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:48:14,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:48:14,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:48:14,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:48:14,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:48:14,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:48:14,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:48:14,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:48:14,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:48:14,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:48:14,655 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:48:14,655 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:48:14,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:48:14,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:48:14,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:48:14,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-18 20:48:14,695 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:48:14,697 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:48:14,698 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:48:14,698 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:48:14,700 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:48:14,700 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:48:14,700 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:48:14,700 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 20:48:14,701 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 20:48:14,701 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 20:48:14,702 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 20:48:14,702 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 20:48:14,702 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 20:48:14,703 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:48:14,703 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 20:48:14,703 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:48:14,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:48:14,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 20:48:14,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:48:14,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 20:48:14,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 20:48:14,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 20:48:14,704 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 20:48:14,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:48:14,705 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 20:48:14,705 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:48:14,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 20:48:14,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:48:14,706 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:48:14,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:48:14,706 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:48:14,707 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 20:48:14,707 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_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b06b08d501323de811576605780ed72bdf24037e477195316df25396abb6c35b [2022-11-18 20:48:14,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:48:14,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:48:14,982 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:48:14,983 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:48:14,984 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:48:14,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2022-11-18 20:48:15,053 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/data/8605229dc/559be8315e4640a0b1a149d8c9528e26/FLAGa8c1dfd50 [2022-11-18 20:48:15,661 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:48:15,662 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/sv-benchmarks/c/array-memsafety/openbsd_cstrnlen-alloca-1.i [2022-11-18 20:48:15,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/data/8605229dc/559be8315e4640a0b1a149d8c9528e26/FLAGa8c1dfd50 [2022-11-18 20:48:16,068 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/data/8605229dc/559be8315e4640a0b1a149d8c9528e26 [2022-11-18 20:48:16,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:48:16,072 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:48:16,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:16,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:48:16,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:48:16,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70e89c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16, skipping insertion in model container [2022-11-18 20:48:16,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:48:16,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:48:16,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:16,463 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:48:16,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:48:16,545 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:48:16,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16 WrapperNode [2022-11-18 20:48:16,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:48:16,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:16,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:48:16,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:48:16,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,584 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2022-11-18 20:48:16,585 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:48:16,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:48:16,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:48:16,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:48:16,594 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,607 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,610 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:48:16,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:48:16,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:48:16,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:48:16,622 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (1/1) ... [2022-11-18 20:48:16,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:16,640 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:16,660 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:16,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 20:48:16,705 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:48:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:48:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:48:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:48:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:48:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:48:16,810 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:48:16,812 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:48:17,022 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:48:17,028 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:48:17,029 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 20:48:17,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:17 BoogieIcfgContainer [2022-11-18 20:48:17,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:48:17,035 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 20:48:17,035 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 20:48:17,044 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 20:48:17,059 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:17,059 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 08:48:16" (1/3) ... [2022-11-18 20:48:17,060 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@275d6445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:48:17, skipping insertion in model container [2022-11-18 20:48:17,060 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:17,060 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:48:16" (2/3) ... [2022-11-18 20:48:17,061 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@275d6445 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 08:48:17, skipping insertion in model container [2022-11-18 20:48:17,061 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 20:48:17,061 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:17" (3/3) ... [2022-11-18 20:48:17,062 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrnlen-alloca-1.i [2022-11-18 20:48:17,161 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 20:48:17,169 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 20:48:17,169 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 20:48:17,169 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 20:48:17,170 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 20:48:17,170 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 20:48:17,170 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 20:48:17,170 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 20:48:17,195 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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) [2022-11-18 20:48:17,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:48:17,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:17,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:17,222 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:48:17,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:48:17,223 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 20:48:17,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 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) [2022-11-18 20:48:17,225 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-18 20:48:17,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:17,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:17,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 20:48:17,226 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-18 20:48:17,238 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 12#L524true assume !(main_~length1~0#1 < 1); 15#L524-2true assume !(main_~n~0#1 < 1); 5#L527-1true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 14#L532-3true [2022-11-18 20:48:17,240 INFO L750 eck$LassoCheckResult]: Loop: 14#L532-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 6#L532-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 14#L532-3true [2022-11-18 20:48:17,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:17,252 INFO L85 PathProgramCache]: Analyzing trace with hash 28695878, now seen corresponding path program 1 times [2022-11-18 20:48:17,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:17,262 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705632312] [2022-11-18 20:48:17,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:17,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:17,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:17,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:17,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:17,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:17,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1699, now seen corresponding path program 1 times [2022-11-18 20:48:17,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:17,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032487553] [2022-11-18 20:48:17,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:17,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:17,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:17,443 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:17,450 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:17,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:17,459 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935720, now seen corresponding path program 1 times [2022-11-18 20:48:17,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:17,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570051489] [2022-11-18 20:48:17,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:17,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:17,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:17,548 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:17,963 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:48:17,963 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:48:17,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:48:17,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:48:17,964 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:48:17,964 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:17,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:48:17,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:48:17,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrnlen-alloca-1.i_Iteration1_Lasso [2022-11-18 20:48:17,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:48:17,966 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:48:17,995 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,007 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,016 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,025 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,031 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,034 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,037 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,213 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,218 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,221 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,225 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:18,551 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:48:18,556 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:48:18,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,562 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,572 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 [2022-11-18 20:48:18,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,586 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:18,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,588 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:18,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:18,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 20:48:18,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:18,608 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:18,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,624 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 [2022-11-18 20:48:18,636 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:18,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,637 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:18,639 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:18,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 20:48:18,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:18,661 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:18,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,663 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,670 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 20:48:18,671 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 [2022-11-18 20:48:18,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,692 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:18,693 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:18,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:18,714 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:18,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,716 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 20:48:18,724 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 [2022-11-18 20:48:18,737 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,737 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:18,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,738 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:18,738 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:18,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:18,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:18,758 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,759 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 20:48:18,763 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:18,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:18,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:18,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:18,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-18 20:48:18,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,795 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 20:48:18,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:18,828 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,828 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,828 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,829 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,832 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:18,833 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:18,844 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:18,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:18,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,855 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,868 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 [2022-11-18 20:48:18,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:18,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,882 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:18,882 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:18,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 20:48:18,898 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:18,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:18,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,905 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,906 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 20:48:18,915 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 [2022-11-18 20:48:18,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:18,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,929 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:18,929 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:18,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:18,950 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:18,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:18,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:18,952 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:18,963 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 [2022-11-18 20:48:18,976 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:18,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:18,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:18,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:18,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 20:48:18,994 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:18,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:19,013 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:48:19,054 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2022-11-18 20:48:19,054 INFO L444 ModelExtractionUtils]: 6 out of 22 variables were initially zero. Simplification set additionally 12 variables to zero. [2022-11-18 20:48:19,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:19,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:19,060 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:19,070 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:48:19,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 20:48:19,097 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:48:19,097 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:48:19,097 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1, ULTIMATE.start_main_~nondetString1~0#1.offset, ULTIMATE.start_main_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString1~0#1.base)_1 - 1*ULTIMATE.start_main_~nondetString1~0#1.offset - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-11-18 20:48:19,125 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-11-18 20:48:19,136 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-11-18 20:48:19,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:19,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 20:48:19,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:19,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:19,202 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 20:48:19,203 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:19,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:19,279 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 20:48:19,281 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:19,342 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 17 states, 16 states have (on average 1.4375) internal successors, (23), 16 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 39 states and 53 transitions. Complement of second has 7 states. [2022-11-18 20:48:19,348 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 [2022-11-18 20:48:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:19,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 35 transitions. [2022-11-18 20:48:19,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-18 20:48:19,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:19,355 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-18 20:48:19,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:19,356 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 35 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-18 20:48:19,356 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:19,357 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 53 transitions. [2022-11-18 20:48:19,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:48:19,363 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 13 states and 18 transitions. [2022-11-18 20:48:19,364 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-11-18 20:48:19,364 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:48:19,365 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 18 transitions. [2022-11-18 20:48:19,365 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:48:19,366 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-18 20:48:19,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 18 transitions. [2022-11-18 20:48:19,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2022-11-18 20:48:19,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 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) [2022-11-18 20:48:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-18 20:48:19,391 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-18 20:48:19,391 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-18 20:48:19,391 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 20:48:19,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-18 20:48:19,392 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:48:19,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:19,392 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:19,393 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:19,393 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:48:19,393 INFO L748 eck$LassoCheckResult]: Stem: 117#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 118#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 115#L524 assume !(main_~length1~0#1 < 1); 116#L524-2 assume !(main_~n~0#1 < 1); 119#L527-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 120#L532-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 123#L532-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset, cstrnlen_#t~post3#1, cstrnlen_#t~mem4#1, cstrnlen_#t~short5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset; 124#L517-6 [2022-11-18 20:48:19,394 INFO L750 eck$LassoCheckResult]: Loop: 124#L517-6 cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 4294967296; 127#L517-1 assume cstrnlen_#t~short5#1;call cstrnlen_#t~mem4#1 := read~int(cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset, 1);cstrnlen_#t~short5#1 := 0 != cstrnlen_#t~mem4#1; 125#L517-3 assume !!cstrnlen_#t~short5#1;havoc cstrnlen_#t~mem4#1;havoc cstrnlen_#t~short5#1; 126#L517-5 cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post2#1.base, 1 + cstrnlen_#t~post2#1.offset;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset;cstrnlen_#t~post3#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post3#1 - 1;havoc cstrnlen_#t~post3#1; 124#L517-6 [2022-11-18 20:48:19,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:19,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1806935662, now seen corresponding path program 1 times [2022-11-18 20:48:19,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:19,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235202351] [2022-11-18 20:48:19,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:19,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:19,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:19,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:19,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:19,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:19,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1942630, now seen corresponding path program 1 times [2022-11-18 20:48:19,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:19,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419651680] [2022-11-18 20:48:19,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:19,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:19,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:19,433 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:19,440 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:19,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:19,440 INFO L85 PathProgramCache]: Analyzing trace with hash -2087826349, now seen corresponding path program 1 times [2022-11-18 20:48:19,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:19,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358437203] [2022-11-18 20:48:19,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:19,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:19,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:19,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:48:19,844 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358437203] [2022-11-18 20:48:19,845 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358437203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:48:19,845 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:48:19,845 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-18 20:48:19,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865057170] [2022-11-18 20:48:19,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:48:19,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:48:19,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-18 20:48:19,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-18 20:48:19,986 INFO L87 Difference]: Start difference. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 7 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:20,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:48:20,091 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2022-11-18 20:48:20,091 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2022-11-18 20:48:20,098 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:48:20,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 14 states and 17 transitions. [2022-11-18 20:48:20,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 20:48:20,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-11-18 20:48:20,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-11-18 20:48:20,103 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:48:20,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-18 20:48:20,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-11-18 20:48:20,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-11-18 20:48:20,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 12 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:48:20,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 16 transitions. [2022-11-18 20:48:20,106 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-18 20:48:20,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:48:20,108 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 16 transitions. [2022-11-18 20:48:20,108 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 20:48:20,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 16 transitions. [2022-11-18 20:48:20,109 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 20:48:20,109 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 20:48:20,110 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 20:48:20,111 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:48:20,111 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 20:48:20,112 INFO L748 eck$LassoCheckResult]: Stem: 167#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 168#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1, main_~length1~0#1, main_~n~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1;main_~n~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 165#L524 assume !(main_~length1~0#1 < 1); 166#L524-2 assume !(main_~n~0#1 < 1); 169#L527-1 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 170#L532-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet10#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 171#L532-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 172#L532-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 173#L532-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrnlen } true;cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset, cstrnlen_#in~maxlen#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~n~0#1;havoc cstrnlen_#res#1;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset, cstrnlen_#t~post3#1, cstrnlen_#t~mem4#1, cstrnlen_#t~short5#1, cstrnlen_~str#1.base, cstrnlen_~str#1.offset, cstrnlen_~maxlen#1, cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~str#1.base, cstrnlen_~str#1.offset := cstrnlen_#in~str#1.base, cstrnlen_#in~str#1.offset;cstrnlen_~maxlen#1 := cstrnlen_#in~maxlen#1;havoc cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_~str#1.base, cstrnlen_~str#1.offset; 174#L517-6 [2022-11-18 20:48:20,112 INFO L750 eck$LassoCheckResult]: Loop: 174#L517-6 cstrnlen_#t~short5#1 := 0 != cstrnlen_~maxlen#1 % 4294967296; 177#L517-1 assume cstrnlen_#t~short5#1;call cstrnlen_#t~mem4#1 := read~int(cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset, 1);cstrnlen_#t~short5#1 := 0 != cstrnlen_#t~mem4#1; 175#L517-3 assume !!cstrnlen_#t~short5#1;havoc cstrnlen_#t~mem4#1;havoc cstrnlen_#t~short5#1; 176#L517-5 cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset := cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset;cstrnlen_~cp~0#1.base, cstrnlen_~cp~0#1.offset := cstrnlen_#t~post2#1.base, 1 + cstrnlen_#t~post2#1.offset;havoc cstrnlen_#t~post2#1.base, cstrnlen_#t~post2#1.offset;cstrnlen_#t~post3#1 := cstrnlen_~maxlen#1;cstrnlen_~maxlen#1 := cstrnlen_#t~post3#1 - 1;havoc cstrnlen_#t~post3#1; 174#L517-6 [2022-11-18 20:48:20,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:20,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1298440016, now seen corresponding path program 1 times [2022-11-18 20:48:20,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:20,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396186119] [2022-11-18 20:48:20,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:20,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:20,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:20,166 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:20,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:20,171 INFO L85 PathProgramCache]: Analyzing trace with hash 1942630, now seen corresponding path program 2 times [2022-11-18 20:48:20,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:20,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130916050] [2022-11-18 20:48:20,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:20,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:20,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:20,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:20,183 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:20,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:20,184 INFO L85 PathProgramCache]: Analyzing trace with hash -1066138571, now seen corresponding path program 1 times [2022-11-18 20:48:20,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:48:20,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306927673] [2022-11-18 20:48:20,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:48:20,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:48:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:20,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:48:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:48:20,238 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:48:20,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:20,758 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 20:48:20,758 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 20:48:20,758 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 20:48:20,758 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 20:48:20,758 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 20:48:20,758 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:20,758 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 20:48:20,759 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 20:48:20,759 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrnlen-alloca-1.i_Iteration3_Lasso [2022-11-18 20:48:20,759 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 20:48:20,759 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 20:48:20,763 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,768 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,771 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,773 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,787 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,790 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,793 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,796 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,799 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,801 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,803 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,806 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,808 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,811 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:20,814 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:21,122 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:21,124 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:21,127 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 20:48:21,655 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 20:48:21,655 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 20:48:21,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:21,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:21,657 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:21,668 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 [2022-11-18 20:48:21,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:21,681 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:21,681 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:21,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:21,681 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:21,682 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:21,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:21,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 20:48:21,687 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:21,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:21,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:21,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:21,700 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:21,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 20:48:21,711 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 [2022-11-18 20:48:21,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:21,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:21,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:21,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:21,723 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:21,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:21,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:21,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:21,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:21,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:21,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:21,738 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:21,747 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 [2022-11-18 20:48:21,759 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:21,760 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:21,760 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:21,760 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:21,760 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:21,762 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:21,762 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:21,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 20:48:21,786 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:21,794 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:21,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:21,795 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:21,796 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:21,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 20:48:21,799 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:21,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:21,809 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:21,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:21,809 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:21,811 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:21,811 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:21,815 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:21,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:21,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:21,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:21,819 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:21,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-18 20:48:21,822 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 [2022-11-18 20:48:21,832 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:21,832 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:21,833 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:21,833 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:21,839 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:21,839 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:21,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:21,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-11-18 20:48:21,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:21,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:21,868 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:21,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-18 20:48:21,871 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 [2022-11-18 20:48:21,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:21,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:21,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:21,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:21,883 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:21,883 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:21,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:21,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:21,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:21,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:21,917 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:21,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-18 20:48:21,924 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 [2022-11-18 20:48:21,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:21,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:21,936 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:21,936 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:21,936 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:21,936 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:21,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:21,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:21,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:21,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:21,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:21,944 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:21,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-18 20:48:21,947 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 [2022-11-18 20:48:21,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:21,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:21,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:21,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:21,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:21,959 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:21,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:21,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,001 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,008 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 [2022-11-18 20:48:22,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-18 20:48:22,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:22,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:22,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:22,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,027 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,028 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-18 20:48:22,031 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 [2022-11-18 20:48:22,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:22,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:22,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,088 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:22,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,107 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:22,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,108 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:22,108 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:22,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-18 20:48:22,127 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,129 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,131 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-18 20:48:22,133 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 20:48:22,144 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,144 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:22,144 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,144 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,144 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,145 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:22,145 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:22,146 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,152 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,159 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 [2022-11-18 20:48:22,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-18 20:48:22,173 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,173 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:22,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:22,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:22,175 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-18 20:48:22,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,179 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-18 20:48:22,182 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 [2022-11-18 20:48:22,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:22,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:22,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:22,216 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,224 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,226 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,231 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 [2022-11-18 20:48:22,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 20:48:22,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,243 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 20:48:22,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 20:48:22,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-18 20:48:22,253 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,265 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-18 20:48:22,271 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 [2022-11-18 20:48:22,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,281 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,281 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,281 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,285 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:22,285 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:22,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,307 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,318 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 [2022-11-18 20:48:22,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-18 20:48:22,338 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:22,339 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:22,358 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,363 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,371 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 [2022-11-18 20:48:22,382 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-18 20:48:22,382 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,382 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,383 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-18 20:48:22,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,388 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-18 20:48:22,389 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-18 20:48:22,406 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,416 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,423 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 [2022-11-18 20:48:22,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,438 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:22,438 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:22,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-18 20:48:22,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,462 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,463 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-18 20:48:22,466 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 [2022-11-18 20:48:22,478 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,478 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,479 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,481 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:22,481 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:22,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-18 20:48:22,497 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,498 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,503 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 [2022-11-18 20:48:22,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 20:48:22,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 20:48:22,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 20:48:22,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 20:48:22,518 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-18 20:48:22,525 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-18 20:48:22,525 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-18 20:48:22,550 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 20:48:22,578 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2022-11-18 20:48:22,578 INFO L444 ModelExtractionUtils]: 21 out of 31 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-11-18 20:48:22,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 20:48:22,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:48:22,579 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 20:48:22,583 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 20:48:22,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-18 20:48:22,615 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-11-18 20:48:22,615 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 20:48:22,615 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstrnlen_~cp~0#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2) = -1*ULTIMATE.start_cstrnlen_~cp~0#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_2 Supporting invariants [] [2022-11-18 20:48:22,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:22,642 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-11-18 20:48:22,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:48:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 10 conjunts are in the unsatisfiable core [2022-11-18 20:48:22,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:22,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:48:22,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-18 20:48:22,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:48:22,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:48:22,782 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-18 20:48:22,782 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-11-18 20:48:22,823 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 16 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) Result 17 states and 21 transitions. Complement of second has 7 states. [2022-11-18 20:48:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-18 20:48:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 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) [2022-11-18 20:48:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2022-11-18 20:48:22,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-18 20:48:22,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:22,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 13 letters. Loop has 4 letters. [2022-11-18 20:48:22,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:22,825 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 9 letters. Loop has 8 letters. [2022-11-18 20:48:22,825 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 20:48:22,826 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2022-11-18 20:48:22,826 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:48:22,826 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2022-11-18 20:48:22,826 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-18 20:48:22,826 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-18 20:48:22,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-18 20:48:22,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 20:48:22,827 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:22,827 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:22,827 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:48:22,827 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-18 20:48:22,827 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:48:22,827 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-18 20:48:22,827 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-18 20:48:22,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 08:48:22 BoogieIcfgContainer [2022-11-18 20:48:22,835 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 20:48:22,835 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:48:22,835 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:48:22,836 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:48:22,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:48:17" (3/4) ... [2022-11-18 20:48:22,839 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:48:22,839 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:48:22,840 INFO L158 Benchmark]: Toolchain (without parser) took 6767.58ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 85.2MB in the beginning and 63.6MB in the end (delta: 21.6MB). Peak memory consumption was 53.9MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,840 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:22,841 INFO L158 Benchmark]: CACSL2BoogieTranslator took 470.02ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: -50.8kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,841 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.10ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,841 INFO L158 Benchmark]: Boogie Preprocessor took 24.35ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 81.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,842 INFO L158 Benchmark]: RCFGBuilder took 423.87ms. Allocated memory is still 119.5MB. Free memory was 81.5MB in the beginning and 70.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,842 INFO L158 Benchmark]: BuchiAutomizer took 5799.82ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 70.6MB in the beginning and 63.6MB in the end (delta: 7.0MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. [2022-11-18 20:48:22,843 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 153.1MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:48:22,844 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 81.8MB. Free memory was 34.9MB in the beginning and 34.8MB in the end (delta: 92.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 470.02ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 84.9MB in the end (delta: -50.8kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.10ms. Allocated memory is still 119.5MB. Free memory was 84.9MB in the beginning and 83.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.35ms. Allocated memory is still 119.5MB. Free memory was 82.8MB in the beginning and 81.8MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.87ms. Allocated memory is still 119.5MB. Free memory was 81.5MB in the beginning and 70.6MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 5799.82ms. Allocated memory was 119.5MB in the beginning and 153.1MB in the end (delta: 33.6MB). Free memory was 70.6MB in the beginning and 63.6MB in the end (delta: 7.0MB). Peak memory consumption was 41.6MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 153.1MB. Free memory is still 63.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * i + -1 * nondetString1 + unknown-#length-unknown[nondetString1] and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * cp and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 61 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 88 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 51 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 37 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital124 mio100 ax115 hnf100 lsp74 ukn94 mio100 lsp56 div163 bol100 ite100 ukn100 eq161 hnf92 smp75 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 3 VariablesLoop: 1 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-18 20:48:22,863 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-18 20:48:23,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3c99223-7f4e-4db2-bd0b-cce7d9c97bfd/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE