./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu --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 f1ad2d5826e88851ec05294e79547a11a54665f4a2cf6f0e66f9eabed656148f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:59:14,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:59:14,952 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 07:59:14,968 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:59:14,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:59:15,012 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:59:15,013 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:59:15,014 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:59:15,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:59:15,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:59:15,022 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:59:15,023 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:59:15,023 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:59:15,025 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:59:15,026 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:59:15,026 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:59:15,027 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:59:15,027 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:59:15,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:59:15,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:59:15,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:59:15,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:59:15,030 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:59:15,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:59:15,031 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:59:15,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:59:15,032 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:59:15,032 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:59:15,033 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:59:15,033 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:59:15,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:59:15,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:59:15,036 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:59:15,036 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_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1ad2d5826e88851ec05294e79547a11a54665f4a2cf6f0e66f9eabed656148f [2023-11-19 07:59:15,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:59:15,342 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:59:15,345 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:59:15,347 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:59:15,348 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:59:15,349 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2023-11-19 07:59:18,527 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:59:18,874 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:59:18,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/sv-benchmarks/c/termination-memory-alloca/openbsd_cstrlcpy-alloca-2.i [2023-11-19 07:59:18,894 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/data/733f03245/f90d6b25c6714afcaab4bfa78782cbf8/FLAG386f2b99a [2023-11-19 07:59:18,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/data/733f03245/f90d6b25c6714afcaab4bfa78782cbf8 [2023-11-19 07:59:18,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:59:18,915 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:59:18,924 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:18,924 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:59:18,932 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:59:18,933 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:18" (1/1) ... [2023-11-19 07:59:18,935 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67002b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:18, skipping insertion in model container [2023-11-19 07:59:18,936 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:59:18" (1/1) ... [2023-11-19 07:59:18,990 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:59:19,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:19,350 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:59:19,409 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:59:19,438 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:59:19,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19 WrapperNode [2023-11-19 07:59:19,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:59:19,440 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:19,440 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:59:19,440 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:59:19,448 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,462 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,483 INFO L138 Inliner]: procedures = 111, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-19 07:59:19,484 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:59:19,485 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:59:19,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:59:19,485 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:59:19,495 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,522 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,526 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,528 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,530 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:59:19,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:59:19,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:59:19,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:59:19,545 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (1/1) ... [2023-11-19 07:59:19,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:19,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:19,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:19,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:59:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:59:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:59:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:59:19,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:59:19,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:59:19,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:59:19,758 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:59:19,761 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:59:19,953 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:59:19,963 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:59:19,963 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:59:19,967 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:19 BoogieIcfgContainer [2023-11-19 07:59:19,967 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:59:19,968 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:59:19,968 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:59:19,974 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:59:19,975 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:59:19,975 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:59:18" (1/3) ... [2023-11-19 07:59:19,977 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6610547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:59:19, skipping insertion in model container [2023-11-19 07:59:19,977 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:59:19,977 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:59:19" (2/3) ... [2023-11-19 07:59:19,978 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6610547c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:59:19, skipping insertion in model container [2023-11-19 07:59:19,978 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:59:19,978 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:19" (3/3) ... [2023-11-19 07:59:19,979 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrlcpy-alloca-2.i [2023-11-19 07:59:20,040 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:59:20,040 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:59:20,041 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:59:20,041 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:59:20,041 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:59:20,041 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:59:20,041 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:59:20,042 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:59:20,046 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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) [2023-11-19 07:59:20,071 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-19 07:59:20,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:59:20,072 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:59:20,078 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:59:20,078 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:59:20,079 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:59:20,079 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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) [2023-11-19 07:59:20,081 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-19 07:59:20,081 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:59:20,082 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:59:20,082 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:59:20,082 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:59:20,093 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 5#L570true assume !(main_~length~0#1 < 1); 17#L570-2true assume !(main_~n~1#1 < 1); 4#L573-1true call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 10#L553true assume 0 != cstrlcpy_~n~0#1 % 18446744073709551616; 15#L554-3true [2023-11-19 07:59:20,094 INFO L750 eck$LassoCheckResult]: Loop: 15#L554-3true cstrlcpy_#t~pre2#1 := cstrlcpy_~n~0#1 - 1;cstrlcpy_~n~0#1 := cstrlcpy_~n~0#1 - 1; 6#L554-1true assume !!(0 != cstrlcpy_#t~pre2#1 % 18446744073709551616);havoc cstrlcpy_#t~pre2#1;cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset := cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_#t~post3#1.base, 1 + cstrlcpy_#t~post3#1.offset;cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post4#1.base, 1 + cstrlcpy_#t~post4#1.offset;call cstrlcpy_#t~mem5#1 := read~int(cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, 1);call write~int(cstrlcpy_#t~mem5#1, cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, 1); 11#L555true assume !(0 == cstrlcpy_#t~mem5#1);havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset;havoc cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset;havoc cstrlcpy_#t~mem5#1; 15#L554-3true [2023-11-19 07:59:20,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:20,108 INFO L85 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2023-11-19 07:59:20,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:20,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14993649] [2023-11-19 07:59:20,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:20,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:20,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:20,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:59:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:20,460 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:59:20,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:20,465 INFO L85 PathProgramCache]: Analyzing trace with hash 52795, now seen corresponding path program 1 times [2023-11-19 07:59:20,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:20,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208506270] [2023-11-19 07:59:20,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:20,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:20,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:20,515 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:59:20,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:20,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:59:20,549 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:20,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1298289360, now seen corresponding path program 1 times [2023-11-19 07:59:20,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:20,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940268544] [2023-11-19 07:59:20,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:20,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:20,616 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:59:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:20,666 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:59:22,104 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:59:22,104 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:59:22,105 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:59:22,105 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:59:22,105 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:59:22,105 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:22,105 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:59:22,106 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:59:22,106 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrlcpy-alloca-2.i_Iteration1_Lasso [2023-11-19 07:59:22,106 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:59:22,107 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:59:22,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:22,141 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:22,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:22,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:22,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:22,153 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:22,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,067 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,073 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,077 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,083 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,096 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,106 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,110 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,115 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:23,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 07:59:24,142 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:59:24,147 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:59:24,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:59:24,160 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 [2023-11-19 07:59:24,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:59:24,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:59:24,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:59:24,236 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 [2023-11-19 07:59:24,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,248 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:59:24,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,250 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:59:24,250 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:59:24,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,281 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,283 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,291 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 [2023-11-19 07:59:24,304 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,304 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,304 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,304 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:59:24,310 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:59:24,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:59:24,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,344 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-19 07:59:24,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,347 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,359 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 [2023-11-19 07:59:24,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:59:24,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:59:24,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:59:24,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:59:24,390 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,413 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,415 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,422 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 [2023-11-19 07:59:24,434 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:59:24,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,436 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:59:24,436 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:59:24,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:59:24,445 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,470 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,477 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 [2023-11-19 07:59:24,489 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,493 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:59:24,493 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:59:24,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:59:24,510 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,535 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:59:24,538 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 [2023-11-19 07:59:24,551 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,552 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,566 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:59:24,566 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:59:24,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,616 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,622 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 [2023-11-19 07:59:24,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,635 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:59:24,638 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:59:24,638 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:59:24,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,675 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,683 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 [2023-11-19 07:59:24,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:59:24,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,697 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:59:24,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:59:24,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:59:24,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,737 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,755 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 [2023-11-19 07:59:24,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:59:24,776 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:59:24,776 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:59:24,789 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:59:24,813 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:24,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:24,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:24,814 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:24,817 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 [2023-11-19 07:59:24,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:59:24,831 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:59:24,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:59:24,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:59:24,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:59:24,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:59:24,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:59:24,899 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:59:25,052 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-19 07:59:25,052 INFO L444 ModelExtractionUtils]: 18 out of 43 variables were initially zero. Simplification set additionally 22 variables to zero. [2023-11-19 07:59:25,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:59:25,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:59:25,103 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:59:25,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:59:25,105 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:59:25,116 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:59:25,116 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:59:25,117 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1, ULTIMATE.start_cstrlcpy_~s~0#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString2~0#1.base)_1 - 1*ULTIMATE.start_cstrlcpy_~s~0#1.offset Supporting invariants [] [2023-11-19 07:59:25,140 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:25,251 INFO L156 tatePredicateManager]: 18 out of 20 supporting invariants were superfluous and have been removed [2023-11-19 07:59:25,262 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!base] could not be translated [2023-11-19 07:59:25,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:59:25,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:25,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 07:59:25,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:25,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 07:59:25,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:59:25,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:25,575 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 [2023-11-19 07:59:25,577 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2023-11-19 07:59:25,685 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.588235294117647) internal successors, (27), 17 states have internal predecessors, (27), 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 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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 49 states and 70 transitions. Complement of second has 7 states. [2023-11-19 07:59:25,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 07:59:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 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) [2023-11-19 07:59:25,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 50 transitions. [2023-11-19 07:59:25,699 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-19 07:59:25,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:59:25,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-19 07:59:25,700 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:59:25,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 50 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-19 07:59:25,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:59:25,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 70 transitions. [2023-11-19 07:59:25,706 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:59:25,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 10 states and 13 transitions. [2023-11-19 07:59:25,713 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:59:25,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-19 07:59:25,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2023-11-19 07:59:25,714 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:25,715 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-19 07:59:25,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2023-11-19 07:59:25,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2023-11-19 07:59:25,743 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) [2023-11-19 07:59:25,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2023-11-19 07:59:25,751 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-19 07:59:25,751 INFO L428 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2023-11-19 07:59:25,751 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:59:25,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2023-11-19 07:59:25,754 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:59:25,755 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:59:25,755 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:59:25,756 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:59:25,756 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:59:25,757 INFO L748 eck$LassoCheckResult]: Stem: 210#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 211#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~nondet9#1, main_#t~malloc10#1.base, main_#t~malloc10#1.offset, main_#t~malloc11#1.base, main_#t~malloc11#1.offset, main_#t~ret12#1, main_~length~0#1, main_~n~1#1, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset;havoc main_#t~nondet8#1;main_~length~0#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1;havoc main_#t~nondet9#1;main_~n~1#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1; 212#L570 assume !(main_~length~0#1 < 1); 213#L570-2 assume !(main_~n~1#1 < 1); 209#L573-1 call main_#t~malloc10#1.base, main_#t~malloc10#1.offset := #Ultimate.allocOnStack(main_~n~1#1 % 18446744073709551616);main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset := main_#t~malloc10#1.base, main_#t~malloc10#1.offset;call main_#t~malloc11#1.base, main_#t~malloc11#1.offset := #Ultimate.allocOnStack(main_~length~0#1 % 18446744073709551616);main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset := main_#t~malloc11#1.base, main_#t~malloc11#1.offset;call write~int(0, main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset + (main_~n~1#1 - 1), 1);call write~int(0, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset + (main_~length~0#1 - 1), 1);assume { :begin_inline_cstrlcpy } true;cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset, cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset, cstrlcpy_#in~siz#1 := main_~nondetString1~0#1.base, main_~nondetString1~0#1.offset, main_~nondetString2~0#1.base, main_~nondetString2~0#1.offset, main_~n~1#1;havoc cstrlcpy_#res#1;havoc cstrlcpy_#t~post3#1.base, cstrlcpy_#t~post3#1.offset, cstrlcpy_#t~post4#1.base, cstrlcpy_#t~post4#1.offset, cstrlcpy_#t~mem5#1, cstrlcpy_#t~pre2#1, cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, cstrlcpy_#t~mem7#1, cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset, cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset, cstrlcpy_~siz#1, cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset, cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset, cstrlcpy_~n~0#1;cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset := cstrlcpy_#in~dst#1.base, cstrlcpy_#in~dst#1.offset;cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset := cstrlcpy_#in~src#1.base, cstrlcpy_#in~src#1.offset;cstrlcpy_~siz#1 := cstrlcpy_#in~siz#1;cstrlcpy_~d~0#1.base, cstrlcpy_~d~0#1.offset := cstrlcpy_~dst#1.base, cstrlcpy_~dst#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_~src#1.base, cstrlcpy_~src#1.offset;cstrlcpy_~n~0#1 := cstrlcpy_~siz#1; 205#L553 assume !(0 != cstrlcpy_~n~0#1 % 18446744073709551616); 206#L553-1 assume 0 == cstrlcpy_~n~0#1 % 18446744073709551616; 207#L560 assume !(0 != cstrlcpy_~siz#1 % 18446744073709551616); 208#L562-2 [2023-11-19 07:59:25,757 INFO L750 eck$LassoCheckResult]: Loop: 208#L562-2 cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset := cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset;cstrlcpy_~s~0#1.base, cstrlcpy_~s~0#1.offset := cstrlcpy_#t~post6#1.base, 1 + cstrlcpy_#t~post6#1.offset;call cstrlcpy_#t~mem7#1 := read~int(cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset, 1); 214#L562 assume !!(0 != cstrlcpy_#t~mem7#1);havoc cstrlcpy_#t~post6#1.base, cstrlcpy_#t~post6#1.offset;havoc cstrlcpy_#t~mem7#1; 208#L562-2 [2023-11-19 07:59:25,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:25,760 INFO L85 PathProgramCache]: Analyzing trace with hash 180447461, now seen corresponding path program 1 times [2023-11-19 07:59:25,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:25,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608846200] [2023-11-19 07:59:25,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:25,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:59:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:59:26,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:59:26,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608846200] [2023-11-19 07:59:26,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608846200] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:59:26,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:59:26,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-19 07:59:26,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615263551] [2023-11-19 07:59:26,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:59:26,159 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-19 07:59:26,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:59:26,160 INFO L85 PathProgramCache]: Analyzing trace with hash 2630, now seen corresponding path program 1 times [2023-11-19 07:59:26,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:59:26,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473128770] [2023-11-19 07:59:26,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:59:26,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:59:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:26,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:59:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:59:26,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:59:26,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:59:26,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 07:59:26,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-19 07:59:26,218 INFO L87 Difference]: Start difference. First operand 10 states and 13 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 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) [2023-11-19 07:59:26,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:59:26,237 INFO L93 Difference]: Finished difference Result 6 states and 7 transitions. [2023-11-19 07:59:26,237 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 7 transitions. [2023-11-19 07:59:26,238 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:59:26,238 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2023-11-19 07:59:26,238 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:59:26,238 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:59:26,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:59:26,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:59:26,239 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:59:26,239 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:59:26,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 07:59:26,240 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:59:26,240 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:59:26,240 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:59:26,240 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:59:26,240 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:59:26,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:59:26 BoogieIcfgContainer [2023-11-19 07:59:26,249 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:59:26,250 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:59:26,250 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:59:26,250 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:59:26,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:59:19" (3/4) ... [2023-11-19 07:59:26,252 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:59:26,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:59:26,255 INFO L158 Benchmark]: Toolchain (without parser) took 7339.98ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 109.6MB in the beginning and 92.1MB in the end (delta: 17.5MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2023-11-19 07:59:26,255 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory was 70.7MB in the beginning and 70.6MB in the end (delta: 111.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:26,256 INFO L158 Benchmark]: CACSL2BoogieTranslator took 515.26ms. Allocated memory is still 153.1MB. Free memory was 109.3MB in the beginning and 93.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:59:26,256 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.49ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 91.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:26,257 INFO L158 Benchmark]: Boogie Preprocessor took 58.40ms. Allocated memory is still 153.1MB. Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:59:26,257 INFO L158 Benchmark]: RCFGBuilder took 423.30ms. Allocated memory is still 153.1MB. Free memory was 89.7MB in the beginning and 77.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:59:26,258 INFO L158 Benchmark]: BuchiAutomizer took 6280.68ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 77.1MB in the beginning and 93.1MB in the end (delta: -16.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. [2023-11-19 07:59:26,259 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 184.5MB. Free memory was 93.1MB in the beginning and 92.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:59:26,262 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 123.7MB. Free memory was 70.7MB in the beginning and 70.6MB in the end (delta: 111.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 515.26ms. Allocated memory is still 153.1MB. Free memory was 109.3MB in the beginning and 93.2MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.49ms. Allocated memory is still 153.1MB. Free memory was 93.2MB in the beginning and 91.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.40ms. Allocated memory is still 153.1MB. Free memory was 91.2MB in the beginning and 89.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 423.30ms. Allocated memory is still 153.1MB. Free memory was 89.7MB in the beginning and 77.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 6280.68ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 77.1MB in the beginning and 93.1MB in the end (delta: -16.0MB). Peak memory consumption was 17.5MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 184.5MB. Free memory was 93.1MB in the beginning and 92.1MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString2~0!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 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 56 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 32 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU1 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital249 mio100 ax107 hnf100 lsp84 ukn95 mio100 lsp51 div199 bol100 ite100 ukn100 eq165 hnf92 smp63 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! [2023-11-19 07:59:26,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_50c76498-167d-45d1-a2d1-3297368b0040/bin/uautomizer-verify-uCwYo4JHxu/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