./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8 --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 2b1ee78e0ef345a64f8c7caca77413516ce68186d78e333a5564d6417b0fa920 --- 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-2329fc7 [2022-12-13 16:27:35,509 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 16:27:35,511 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 16:27:35,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 16:27:35,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 16:27:35,530 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 16:27:35,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 16:27:35,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 16:27:35,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 16:27:35,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 16:27:35,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 16:27:35,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 16:27:35,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 16:27:35,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 16:27:35,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 16:27:35,537 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 16:27:35,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 16:27:35,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 16:27:35,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 16:27:35,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 16:27:35,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 16:27:35,543 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 16:27:35,544 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 16:27:35,544 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 16:27:35,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 16:27:35,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 16:27:35,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 16:27:35,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 16:27:35,548 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 16:27:35,549 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 16:27:35,549 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 16:27:35,550 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 16:27:35,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 16:27:35,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 16:27:35,552 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 16:27:35,552 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 16:27:35,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 16:27:35,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 16:27:35,553 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 16:27:35,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 16:27:35,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 16:27:35,554 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-12-13 16:27:35,570 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 16:27:35,570 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 16:27:35,571 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 16:27:35,571 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 16:27:35,571 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 16:27:35,572 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 16:27:35,572 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 16:27:35,572 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 16:27:35,572 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 16:27:35,572 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 16:27:35,572 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 16:27:35,572 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 16:27:35,572 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 16:27:35,573 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 16:27:35,573 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 16:27:35,573 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 16:27:35,573 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 16:27:35,573 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 16:27:35,573 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 16:27:35,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 16:27:35,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 16:27:35,574 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 16:27:35,574 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 16:27:35,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 16:27:35,574 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 16:27:35,574 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 16:27:35,574 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 16:27:35,574 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 16:27:35,574 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 16:27:35,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 16:27:35,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 16:27:35,575 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 16:27:35,575 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_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b1ee78e0ef345a64f8c7caca77413516ce68186d78e333a5564d6417b0fa920 [2022-12-13 16:27:35,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 16:27:35,754 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 16:27:35,756 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 16:27:35,757 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 16:27:35,758 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 16:27:35,758 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i [2022-12-13 16:27:38,250 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 16:27:38,420 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 16:27:38,421 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/sv-benchmarks/c/array-memsafety/cstrlen-alloca-2.i [2022-12-13 16:27:38,428 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/data/48411114c/2a7de69f7aba493a858c4ff9633c126a/FLAG69485581b [2022-12-13 16:27:38,830 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/data/48411114c/2a7de69f7aba493a858c4ff9633c126a [2022-12-13 16:27:38,835 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 16:27:38,836 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 16:27:38,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 16:27:38,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 16:27:38,840 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 16:27:38,841 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:27:38" (1/1) ... [2022-12-13 16:27:38,841 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40655ed2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:38, skipping insertion in model container [2022-12-13 16:27:38,842 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:27:38" (1/1) ... [2022-12-13 16:27:38,847 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 16:27:38,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 16:27:39,036 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:27:39,044 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 16:27:39,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 16:27:39,087 INFO L208 MainTranslator]: Completed translation [2022-12-13 16:27:39,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39 WrapperNode [2022-12-13 16:27:39,088 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 16:27:39,089 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 16:27:39,089 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 16:27:39,089 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 16:27:39,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,103 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,115 INFO L138 Inliner]: procedures = 117, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 45 [2022-12-13 16:27:39,116 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 16:27:39,116 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 16:27:39,116 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 16:27:39,116 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 16:27:39,123 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,125 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,125 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,128 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,132 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,132 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 16:27:39,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 16:27:39,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 16:27:39,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 16:27:39,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (1/1) ... [2022-12-13 16:27:39,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:39,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:39,160 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:39,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 16:27:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 16:27:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 16:27:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 16:27:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 16:27:39,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 16:27:39,197 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 16:27:39,279 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 16:27:39,280 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 16:27:39,352 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 16:27:39,357 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 16:27:39,357 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 16:27:39,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:27:39 BoogieIcfgContainer [2022-12-13 16:27:39,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 16:27:39,359 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 16:27:39,359 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 16:27:39,362 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 16:27:39,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:27:39,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 04:27:38" (1/3) ... [2022-12-13 16:27:39,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b9f8e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:27:39, skipping insertion in model container [2022-12-13 16:27:39,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:27:39,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:27:39" (2/3) ... [2022-12-13 16:27:39,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b9f8e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 04:27:39, skipping insertion in model container [2022-12-13 16:27:39,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 16:27:39,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:27:39" (3/3) ... [2022-12-13 16:27:39,365 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrlen-alloca-2.i [2022-12-13 16:27:39,407 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 16:27:39,407 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 16:27:39,408 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 16:27:39,408 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 16:27:39,408 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 16:27:39,408 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 16:27:39,408 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 16:27:39,408 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 16:27:39,411 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:39,426 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-12-13 16:27:39,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:27:39,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:27:39,430 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 16:27:39,430 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:27:39,430 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 16:27:39,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:39,432 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-12-13 16:27:39,432 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:27:39,432 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:27:39,432 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 16:27:39,432 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:27:39,438 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 14#L522true assume !(main_~length1~0#1 < 1); 9#L522-2true call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 7#L527-3true [2022-12-13 16:27:39,438 INFO L750 eck$LassoCheckResult]: Loop: 7#L527-3true assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet7#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet7#1; 11#L527-2true main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 7#L527-3true [2022-12-13 16:27:39,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:39,442 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2022-12-13 16:27:39,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:39,451 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066611856] [2022-12-13 16:27:39,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:39,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:39,531 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:27:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:39,554 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:27:39,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:39,556 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2022-12-13 16:27:39,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:39,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22278055] [2022-12-13 16:27:39,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:39,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:39,565 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:27:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:39,571 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:27:39,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:39,573 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2022-12-13 16:27:39,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:39,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429867312] [2022-12-13 16:27:39,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:39,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:39,592 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:27:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:39,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:27:39,814 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:27:39,814 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:27:39,814 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:27:39,814 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:27:39,815 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:27:39,815 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:39,815 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:27:39,815 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:27:39,815 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-2.i_Iteration1_Lasso [2022-12-13 16:27:39,815 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:27:39,815 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:27:39,832 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,953 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,955 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,957 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,960 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,961 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,964 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,965 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:39,969 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:40,160 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:27:40,164 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:27:40,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:40,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:40,167 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:40,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 16:27:40,170 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 [2022-12-13 16:27:40,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:40,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:40,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:40,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:40,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:40,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:40,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:40,185 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:40,188 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 16:27:40,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:40,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:40,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:40,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 16:27:40,192 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 [2022-12-13 16:27:40,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:40,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:40,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:40,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:40,211 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:27:40,211 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:27:40,224 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:27:40,246 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-12-13 16:27:40,246 INFO L444 ModelExtractionUtils]: 9 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-12-13 16:27:40,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:40,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:40,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:40,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 16:27:40,287 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:27:40,300 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 16:27:40,301 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:27:40,301 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~length1~0#1, ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~length1~0#1 - 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2022-12-13 16:27:40,304 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 16:27:40,314 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2022-12-13 16:27:40,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:40,350 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 16:27:40,351 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:40,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 16:27:40,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:40,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:27:40,413 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 [2022-12-13 16:27:40,415 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:40,456 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 14 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 13 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 32 states and 42 transitions. Complement of second has 7 states. [2022-12-13 16:27:40,459 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 [2022-12-13 16:27:40,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:40,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 27 transitions. [2022-12-13 16:27:40,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-12-13 16:27:40,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:27:40,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 6 letters. Loop has 2 letters. [2022-12-13 16:27:40,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:27:40,465 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 27 transitions. Stem has 4 letters. Loop has 4 letters. [2022-12-13 16:27:40,465 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:27:40,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 32 states and 42 transitions. [2022-12-13 16:27:40,467 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:27:40,469 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 32 states to 10 states and 13 transitions. [2022-12-13 16:27:40,470 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2022-12-13 16:27:40,470 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 16:27:40,470 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2022-12-13 16:27:40,471 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:27:40,471 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-12-13 16:27:40,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2022-12-13 16:27:40,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2022-12-13 16:27:40,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:40,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2022-12-13 16:27:40,488 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-12-13 16:27:40,488 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2022-12-13 16:27:40,488 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 16:27:40,488 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2022-12-13 16:27:40,488 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:27:40,489 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:27:40,489 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:27:40,489 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2022-12-13 16:27:40,489 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:27:40,489 INFO L748 eck$LassoCheckResult]: Stem: 108#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 109#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 111#L522 assume !(main_~length1~0#1 < 1); 104#L522-2 call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 105#L527-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 110#L527-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset, cstrlen_#t~mem2#1, cstrlen_~s#1.base, cstrlen_~s#1.offset, cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~s#1.base, cstrlen_~s#1.offset := cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_~s#1.base, cstrlen_~s#1.offset; 103#L516-3 [2022-12-13 16:27:40,490 INFO L750 eck$LassoCheckResult]: Loop: 103#L516-3 call cstrlen_#t~mem2#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 102#L516-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1;cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post3#1.base, 1 + cstrlen_#t~post3#1.offset;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset; 103#L516-3 [2022-12-13 16:27:40,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:40,490 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2022-12-13 16:27:40,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:40,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837422040] [2022-12-13 16:27:40,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:40,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:27:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:27:40,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:40,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 1 times [2022-12-13 16:27:40,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:40,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614746298] [2022-12-13 16:27:40,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:40,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:40,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:27:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,535 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:27:40,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:40,536 INFO L85 PathProgramCache]: Analyzing trace with hash 176738514, now seen corresponding path program 1 times [2022-12-13 16:27:40,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:40,536 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752686009] [2022-12-13 16:27:40,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:40,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:40,701 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 16:27:40,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:27:40,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 16:27:40,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752686009] [2022-12-13 16:27:40,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752686009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 16:27:40,819 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 16:27:40,819 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-13 16:27:40,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208731713] [2022-12-13 16:27:40,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 16:27:40,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 16:27:40,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 16:27:40,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2022-12-13 16:27:40,856 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:40,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 16:27:40,921 INFO L93 Difference]: Finished difference Result 14 states and 16 transitions. [2022-12-13 16:27:40,921 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 16 transitions. [2022-12-13 16:27:40,922 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:27:40,922 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 11 states and 13 transitions. [2022-12-13 16:27:40,922 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 16:27:40,922 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 16:27:40,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 13 transitions. [2022-12-13 16:27:40,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:27:40,923 INFO L218 hiAutomatonCegarLoop]: Abstraction has 11 states and 13 transitions. [2022-12-13 16:27:40,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 13 transitions. [2022-12-13 16:27:40,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 10. [2022-12-13 16:27:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.2) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:40,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 12 transitions. [2022-12-13 16:27:40,924 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-12-13 16:27:40,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 16:27:40,925 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 12 transitions. [2022-12-13 16:27:40,925 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 16:27:40,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 12 transitions. [2022-12-13 16:27:40,926 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-12-13 16:27:40,926 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 16:27:40,926 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 16:27:40,926 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 16:27:40,927 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-12-13 16:27:40,927 INFO L748 eck$LassoCheckResult]: Stem: 150#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet4#1, main_#t~malloc5#1.base, main_#t~malloc5#1.offset, main_#t~nondet7#1, main_#t~post6#1, main_~i~0#1, main_#t~ret8#1, main_~length1~0#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;main_~length1~0#1 := main_#t~nondet4#1;havoc main_#t~nondet4#1; 153#L522 assume !(main_~length1~0#1 < 1); 146#L522-2 call main_#t~malloc5#1.base, main_#t~malloc5#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc5#1.base, main_#t~malloc5#1.offset;main_~i~0#1 := 0; 147#L527-3 assume !!(main_~i~0#1 < main_~length1~0#1 - 1);call write~int(main_#t~nondet7#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet7#1; 148#L527-2 main_#t~post6#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post6#1;havoc main_#t~post6#1; 149#L527-3 assume !(main_~i~0#1 < main_~length1~0#1 - 1); 152#L527-4 call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~length1~0#1 - 1), 1);assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset;havoc cstrlen_#res#1;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset, cstrlen_#t~mem2#1, cstrlen_~s#1.base, cstrlen_~s#1.offset, cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~s#1.base, cstrlen_~s#1.offset := cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_~s#1.base, cstrlen_~s#1.offset; 145#L516-3 [2022-12-13 16:27:40,927 INFO L750 eck$LassoCheckResult]: Loop: 145#L516-3 call cstrlen_#t~mem2#1 := read~int(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 144#L516-1 assume !!(0 != cstrlen_#t~mem2#1);havoc cstrlen_#t~mem2#1;cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset := cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset;cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset := cstrlen_#t~post3#1.base, 1 + cstrlen_#t~post3#1.offset;havoc cstrlen_#t~post3#1.base, cstrlen_#t~post3#1.offset; 145#L516-3 [2022-12-13 16:27:40,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:40,927 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2022-12-13 16:27:40,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:40,928 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100239375] [2022-12-13 16:27:40,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:40,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,942 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:27:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,952 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:27:40,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:40,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1862, now seen corresponding path program 2 times [2022-12-13 16:27:40,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:40,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081371206] [2022-12-13 16:27:40,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:40,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:40,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:27:40,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,960 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:27:40,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:40,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1899811660, now seen corresponding path program 1 times [2022-12-13 16:27:40,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 16:27:40,961 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745590306] [2022-12-13 16:27:40,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 16:27:40,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 16:27:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,975 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 16:27:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 16:27:40,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 16:27:41,251 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 16:27:41,251 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 16:27:41,251 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 16:27:41,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 16:27:41,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 16:27:41,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 16:27:41,251 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 16:27:41,252 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen-alloca-2.i_Iteration3_Lasso [2022-12-13 16:27:41,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 16:27:41,252 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 16:27:41,254 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,257 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,258 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,260 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,262 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,263 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,265 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,266 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,268 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,272 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,277 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 16:27:41,745 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 16:27:41,745 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 16:27:41,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,746 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 16:27:41,748 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 [2022-12-13 16:27:41,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,761 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:27:41,761 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:27:41,764 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,766 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 16:27:41,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,768 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 16:27:41,770 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 [2022-12-13 16:27:41,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,782 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,783 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,783 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,784 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 16:27:41,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,788 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 16:27:41,791 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 [2022-12-13 16:27:41,800 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,801 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,801 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 16:27:41,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,806 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 16:27:41,809 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 [2022-12-13 16:27:41,818 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,819 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,819 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,821 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:27:41,821 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:27:41,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,827 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 16:27:41,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,833 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 16:27:41,835 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 [2022-12-13 16:27:41,845 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,845 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,845 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,845 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,845 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,846 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,846 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,847 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 16:27:41,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,851 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 16:27:41,853 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 [2022-12-13 16:27:41,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,863 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,865 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:27:41,865 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:27:41,869 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 16:27:41,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,874 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 16:27:41,876 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 [2022-12-13 16:27:41,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,886 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,886 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,886 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,886 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,887 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,887 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 16:27:41,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,892 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 16:27:41,894 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 [2022-12-13 16:27:41,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,906 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 16:27:41,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,909 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 16:27:41,911 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 [2022-12-13 16:27:41,921 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,921 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,921 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,921 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,921 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,922 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,926 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-12-13 16:27:41,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,927 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 16:27:41,929 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 [2022-12-13 16:27:41,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,939 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,939 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,942 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 16:27:41,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,943 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 16:27:41,945 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 [2022-12-13 16:27:41,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,957 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-12-13 16:27:41,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,960 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 16:27:41,963 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 [2022-12-13 16:27:41,973 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,973 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,973 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,975 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:27:41,975 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:27:41,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,982 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 16:27:41,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:41,982 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:41,983 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:41,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 16:27:41,985 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 [2022-12-13 16:27:41,995 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:41,995 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 16:27:41,995 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:41,995 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:41,995 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:41,996 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 16:27:41,996 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 16:27:41,997 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:41,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-12-13 16:27:41,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:42,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:42,000 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:42,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 16:27:42,003 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 [2022-12-13 16:27:42,012 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:42,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:42,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:42,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:42,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:27:42,015 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:27:42,018 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:42,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 16:27:42,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:42,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:42,021 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:42,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 16:27:42,023 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 [2022-12-13 16:27:42,033 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:42,034 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:42,034 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-12-13 16:27:42,034 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:42,039 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-12-13 16:27:42,039 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-12-13 16:27:42,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 16:27:42,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-12-13 16:27:42,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:42,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:42,054 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:42,055 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 16:27:42,056 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 [2022-12-13 16:27:42,066 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 16:27:42,067 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 16:27:42,067 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 16:27:42,067 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 16:27:42,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 16:27:42,071 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 16:27:42,083 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 16:27:42,104 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2022-12-13 16:27:42,104 INFO L444 ModelExtractionUtils]: 21 out of 31 variables were initially zero. Simplification set additionally 7 variables to zero. [2022-12-13 16:27:42,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 16:27:42,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 16:27:42,106 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 16:27:42,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 16:27:42,107 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 16:27:42,118 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 16:27:42,118 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 16:27:42,118 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2, ULTIMATE.start_cstrlen_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc5#1.base)_2 - 1*ULTIMATE.start_cstrlen_~p~0#1.offset Supporting invariants [] [2022-12-13 16:27:42,121 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-12-13 16:27:42,134 INFO L156 tatePredicateManager]: 4 out of 5 supporting invariants were superfluous and have been removed [2022-12-13 16:27:42,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 16:27:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:42,158 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 16:27:42,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 16:27:42,176 WARN L261 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-13 16:27:42,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 16:27:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 16:27:42,190 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 [2022-12-13 16:27:42,190 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:42,211 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 12 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 15 transitions. Complement of second has 5 states. [2022-12-13 16:27:42,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 16:27:42,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 16:27:42,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-12-13 16:27:42,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 2 letters. [2022-12-13 16:27:42,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:27:42,212 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2022-12-13 16:27:42,212 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:27:42,213 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 4 letters. [2022-12-13 16:27:42,213 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 16:27:42,213 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 15 transitions. [2022-12-13 16:27:42,213 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:27:42,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 0 states and 0 transitions. [2022-12-13 16:27:42,213 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 16:27:42,213 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 16:27:42,213 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 16:27:42,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 16:27:42,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:27:42,213 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:27:42,213 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 16:27:42,214 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 16:27:42,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 16:27:42,214 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 16:27:42,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 16:27:42,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 04:27:42 BoogieIcfgContainer [2022-12-13 16:27:42,219 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 16:27:42,219 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 16:27:42,219 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 16:27:42,219 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 16:27:42,220 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:27:39" (3/4) ... [2022-12-13 16:27:42,221 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 16:27:42,221 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 16:27:42,222 INFO L158 Benchmark]: Toolchain (without parser) took 3385.94ms. Allocated memory is still 153.1MB. Free memory was 117.2MB in the beginning and 48.9MB in the end (delta: 68.3MB). Peak memory consumption was 71.0MB. Max. memory is 16.1GB. [2022-12-13 16:27:42,222 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory was 77.4MB in the beginning and 77.4MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:27:42,222 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.07ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 101.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 16:27:42,223 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.15ms. Allocated memory is still 153.1MB. Free memory was 101.3MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:27:42,223 INFO L158 Benchmark]: Boogie Preprocessor took 17.53ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 97.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 16:27:42,224 INFO L158 Benchmark]: RCFGBuilder took 224.47ms. Allocated memory is still 153.1MB. Free memory was 97.9MB in the beginning and 87.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 16:27:42,224 INFO L158 Benchmark]: BuchiAutomizer took 2859.57ms. Allocated memory is still 153.1MB. Free memory was 87.4MB in the beginning and 49.9MB in the end (delta: 37.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. [2022-12-13 16:27:42,224 INFO L158 Benchmark]: Witness Printer took 2.42ms. Allocated memory is still 153.1MB. Free memory was 49.9MB in the beginning and 48.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 16:27:42,226 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory was 77.4MB in the beginning and 77.4MB in the end (delta: 24.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.07ms. Allocated memory is still 153.1MB. Free memory was 116.8MB in the beginning and 101.3MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.15ms. Allocated memory is still 153.1MB. Free memory was 101.3MB in the beginning and 99.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 17.53ms. Allocated memory is still 153.1MB. Free memory was 99.1MB in the beginning and 97.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 224.47ms. Allocated memory is still 153.1MB. Free memory was 97.9MB in the beginning and 87.4MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2859.57ms. Allocated memory is still 153.1MB. Free memory was 87.4MB in the beginning and 49.9MB in the end (delta: 37.5MB). Peak memory consumption was 39.6MB. Max. memory is 16.1GB. * Witness Printer took 2.42ms. Allocated memory is still 153.1MB. Free memory was 49.9MB in the beginning and 48.9MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 length1 + -1 * i and consists of 5 locations. One deterministic module has affine ranking function unknown-#length-unknown[__builtin_alloca (length1 * sizeof(char))] + -1 * p and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.8s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 41 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 32 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 51 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 24 mSDtfsCounter, 51 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital111 mio100 ax116 hnf100 lsp81 ukn94 mio100 lsp56 div163 bol100 ite100 ukn100 eq161 hnf92 smp75 dnf100 smp100 tf100 neg99 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms 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! [2022-12-13 16:27:42,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-12-13 16:27:42,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd2eaf19-91da-4186-98fb-d498623ad4a0/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE