./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/cstrlen.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/cstrlen.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7f47a3aedd406a69ab1753c1c4707697df0dbc0cdff682f67fd1c090787641f6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:12:18,852 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:12:18,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 01:12:18,921 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:12:18,921 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:12:18,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:12:18,947 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:12:18,947 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:12:18,948 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:12:18,948 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:12:18,949 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:12:18,950 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:12:18,950 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:12:18,950 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 01:12:18,951 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 01:12:18,951 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 01:12:18,952 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 01:12:18,952 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 01:12:18,953 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 01:12:18,953 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:12:18,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 01:12:18,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:12:18,955 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:12:18,955 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 01:12:18,955 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 01:12:18,956 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 01:12:18,956 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:12:18,956 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:12:18,957 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 01:12:18,957 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:12:18,958 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:12:18,958 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:12:18,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:12:18,958 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:12:18,959 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 01:12:18,959 INFO L153 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_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7f47a3aedd406a69ab1753c1c4707697df0dbc0cdff682f67fd1c090787641f6 [2023-11-29 01:12:19,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:12:19,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:12:19,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:12:19,211 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:12:19,212 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:12:19,213 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-crafted-lit/cstrlen.c [2023-11-29 01:12:22,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:12:22,191 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:12:22,191 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/sv-benchmarks/c/termination-crafted-lit/cstrlen.c [2023-11-29 01:12:22,198 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/data/5556ddab2/2bc4c816fd5946fdb34e8310e092912a/FLAG9933cb6ba [2023-11-29 01:12:22,213 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/data/5556ddab2/2bc4c816fd5946fdb34e8310e092912a [2023-11-29 01:12:22,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:12:22,218 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:12:22,219 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:22,219 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:12:22,224 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:12:22,225 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,226 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@109fb62d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22, skipping insertion in model container [2023-11-29 01:12:22,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,247 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:12:22,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:22,437 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:12:22,451 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:12:22,465 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:12:22,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22 WrapperNode [2023-11-29 01:12:22,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:12:22,467 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:22,467 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:12:22,467 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:12:22,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,481 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,499 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 36 [2023-11-29 01:12:22,499 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:12:22,500 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:12:22,500 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:12:22,500 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:12:22,511 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,511 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,513 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,526 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0]. The 1 writes are split as follows [1]. [2023-11-29 01:12:22,526 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,526 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,531 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,535 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,536 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:12:22,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:12:22,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:12:22,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:12:22,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (1/1) ... [2023-11-29 01:12:22,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:12:22,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:22,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:22,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 01:12:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:12:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 01:12:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:12:22,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:12:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:12:22,677 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:12:22,679 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:12:22,779 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:12:22,788 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:12:22,788 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 01:12:22,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:22 BoogieIcfgContainer [2023-11-29 01:12:22,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:12:22,791 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 01:12:22,791 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 01:12:22,795 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 01:12:22,796 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:12:22,796 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 01:12:22" (1/3) ... [2023-11-29 01:12:22,797 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4278581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:12:22, skipping insertion in model container [2023-11-29 01:12:22,797 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:12:22,797 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:12:22" (2/3) ... [2023-11-29 01:12:22,798 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4278581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:12:22, skipping insertion in model container [2023-11-29 01:12:22,798 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:12:22,798 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:22" (3/3) ... [2023-11-29 01:12:22,799 INFO L332 chiAutomizerObserver]: Analyzing ICFG cstrlen.c [2023-11-29 01:12:22,853 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 01:12:22,853 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 01:12:22,853 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 01:12:22,854 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 01:12:22,854 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 01:12:22,854 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 01:12:22,854 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 01:12:22,854 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 01:12:22,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:22,875 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 01:12:22,875 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:12:22,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:12:22,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 01:12:22,881 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:12:22,881 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 01:12:22,881 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:22,883 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-29 01:12:22,883 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:12:22,883 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:12:22,884 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 01:12:22,884 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:12:22,891 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1.base, main_#t~ret4#1.offset, main_#t~ret5#1;assume { :begin_inline_build_nondet_String } true;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;havoc build_nondet_String_#t~nondet0#1;build_nondet_String_~length~0#1 := build_nondet_String_#t~nondet0#1;havoc build_nondet_String_#t~nondet0#1; 9#L14true assume !(build_nondet_String_~length~0#1 < 1); 10#L14-2true call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length~0#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int#0(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length~0#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 2#build_nondet_String_returnLabel#1true main_#t~ret4#1.base, main_#t~ret4#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~nondet0#1, build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length~0#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;assume { :end_inline_build_nondet_String } true;assume { :begin_inline_cstrlen } true;cstrlen_#in~s#1.base, cstrlen_#in~s#1.offset := main_#t~ret4#1.base, main_#t~ret4#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; 11#L30-3true [2023-11-29 01:12:22,892 INFO L750 eck$LassoCheckResult]: Loop: 11#L30-3true call cstrlen_#t~mem2#1 := read~int#0(cstrlen_~p~0#1.base, cstrlen_~p~0#1.offset, 1); 3#L30-1true 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; 11#L30-3true [2023-11-29 01:12:22,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:22,897 INFO L85 PathProgramCache]: Analyzing trace with hash 28695750, now seen corresponding path program 1 times [2023-11-29 01:12:22,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:22,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492140672] [2023-11-29 01:12:22,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:22,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:23,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:12:23,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:23,048 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:12:23,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:23,051 INFO L85 PathProgramCache]: Analyzing trace with hash 1478, now seen corresponding path program 1 times [2023-11-29 01:12:23,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:23,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590565108] [2023-11-29 01:12:23,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:23,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:23,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:12:23,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:23,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:12:23,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:23,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1806812491, now seen corresponding path program 1 times [2023-11-29 01:12:23,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:12:23,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021413963] [2023-11-29 01:12:23,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:12:23,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:12:23,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:23,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:12:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:12:23,123 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:12:23,701 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:12:23,702 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:12:23,702 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:12:23,702 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:12:23,702 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:12:23,703 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:12:23,703 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:12:23,703 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:12:23,703 INFO L133 ssoRankerPreferences]: Filename of dumped script: cstrlen.c_Iteration1_Lasso [2023-11-29 01:12:23,703 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:12:23,703 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:12:23,721 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,966 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,968 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,972 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,974 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,988 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:23,997 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:24,000 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:24,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:24,005 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:24,008 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:12:24,343 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:12:24,348 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:12:24,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:12:24,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:24,352 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:24,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 01:12:24,357 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 [2023-11-29 01:12:24,370 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:12:24,371 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:12:24,371 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:12:24,371 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:12:24,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:12:24,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:12:24,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:12:24,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:12:24,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:12:24,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:24,391 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:24,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 01:12:24,398 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 [2023-11-29 01:12:24,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:12:24,411 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-29 01:12:24,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:12:24,411 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:12:24,423 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-29 01:12:24,423 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:12:24,436 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:12:24,440 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 01:12:24,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:12:24,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:24,442 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:24,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 01:12:24,445 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 [2023-11-29 01:12:24,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:12:24,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:12:24,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:12:24,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:12:24,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:12:24,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:12:24,471 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:12:24,475 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 01:12:24,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:12:24,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:24,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:24,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 01:12:24,480 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 [2023-11-29 01:12:24,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:12:24,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:12:24,492 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:12:24,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:12:24,496 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:12:24,496 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:12:24,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:12:24,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-29 01:12:24,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:12:24,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:24,508 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:24,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 01:12:24,525 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 [2023-11-29 01:12:24,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:12:24,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:12:24,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:12:24,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:12:24,542 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:12:24,542 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:12:24,552 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:12:24,589 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-29 01:12:24,589 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-29 01:12:24,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:12:24,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:12:24,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:12:24,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 01:12:24,617 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:12:24,628 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:12:24,628 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:12:24,629 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_cstrlen_~p~0#1.base)_1, ULTIMATE.start_cstrlen_~p~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_cstrlen_~p~0#1.base)_1 - 1*ULTIMATE.start_cstrlen_~p~0#1.offset Supporting invariants [] [2023-11-29 01:12:24,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 01:12:24,644 INFO L156 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2023-11-29 01:12:24,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated [2023-11-29 01:12:24,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:12:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:24,686 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 01:12:24,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:12:24,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:12:24,705 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:12:24,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:12:24,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:12:24,748 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 [2023-11-29 01:12:24,750 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:24,788 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 12 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 11 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 24 transitions. Complement of second has 6 states. [2023-11-29 01:12:24,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-29 01:12:24,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:12:24,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 15 transitions. [2023-11-29 01:12:24,795 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-29 01:12:24,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:12:24,796 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-29 01:12:24,796 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:12:24,797 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 15 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-29 01:12:24,797 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:12:24,797 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 24 transitions. [2023-11-29 01:12:24,799 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:12:24,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 0 states and 0 transitions. [2023-11-29 01:12:24,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 01:12:24,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 01:12:24,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 01:12:24,802 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:12:24,802 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:12:24,802 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:12:24,803 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:12:24,803 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 01:12:24,803 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:12:24,803 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:12:24,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 01:12:24,809 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 01:12:24 BoogieIcfgContainer [2023-11-29 01:12:24,809 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 01:12:24,809 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:12:24,809 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:12:24,810 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:12:24,810 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:12:22" (3/4) ... [2023-11-29 01:12:24,811 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:12:24,812 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:12:24,813 INFO L158 Benchmark]: Toolchain (without parser) took 2595.50ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 59.5MB in the end (delta: 52.3MB). Peak memory consumption was 49.6MB. Max. memory is 16.1GB. [2023-11-29 01:12:24,813 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:12:24,814 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.27ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 117.9MB in the end (delta: -6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 01:12:24,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.29ms. Allocated memory is still 153.1MB. Free memory was 117.9MB in the beginning and 116.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:12:24,815 INFO L158 Benchmark]: Boogie Preprocessor took 38.29ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:12:24,816 INFO L158 Benchmark]: RCFGBuilder took 251.26ms. Allocated memory is still 153.1MB. Free memory was 114.5MB in the beginning and 104.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 01:12:24,816 INFO L158 Benchmark]: BuchiAutomizer took 2017.93ms. Allocated memory is still 153.1MB. Free memory was 104.7MB in the beginning and 60.4MB in the end (delta: 44.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. [2023-11-29 01:12:24,817 INFO L158 Benchmark]: Witness Printer took 3.03ms. Allocated memory is still 153.1MB. Free memory was 60.4MB in the beginning and 59.5MB in the end (delta: 935.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:12:24,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 107.0MB. Free memory is still 74.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.27ms. Allocated memory is still 153.1MB. Free memory was 111.7MB in the beginning and 117.9MB in the end (delta: -6.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.29ms. Allocated memory is still 153.1MB. Free memory was 117.9MB in the beginning and 116.6MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.29ms. Allocated memory is still 153.1MB. Free memory was 116.6MB in the beginning and 114.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 251.26ms. Allocated memory is still 153.1MB. Free memory was 114.5MB in the beginning and 104.7MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 2017.93ms. Allocated memory is still 153.1MB. Free memory was 104.7MB in the beginning and 60.4MB in the end (delta: 44.3MB). Peak memory consumption was 44.7MB. Max. memory is 16.1GB. * Witness Printer took 3.03ms. Allocated memory is still 153.1MB. Free memory was 60.4MB in the beginning and 59.5MB in the end (delta: 935.8kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~p~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 11 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital131 mio100 ax100 hnf100 lsp90 ukn79 mio100 lsp42 div100 bol100 ite100 ukn100 eq154 hnf91 smp100 dnf150 smp90 tf100 neg100 sie105 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 46ms VariablesStem: 6 VariablesLoop: 3 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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! [2023-11-29 01:12:24,833 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 01:12:25,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2fa270c0-a84c-40c2-aaad-27948f43f1c3/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE