./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i --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_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/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_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/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_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/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 bebfef36417cc629a011ca1d30e6696f3048116bc9623a75bf9b2a872de91ab8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:40:57,718 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:40:57,791 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-29 05:40:57,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:40:57,797 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:40:57,822 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:40:57,823 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:40:57,823 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:40:57,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:40:57,825 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:40:57,826 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:40:57,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:40:57,827 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:40:57,827 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 05:40:57,828 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 05:40:57,829 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 05:40:57,829 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 05:40:57,830 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 05:40:57,830 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 05:40:57,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:40:57,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 05:40:57,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:40:57,833 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:40:57,833 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 05:40:57,834 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 05:40:57,834 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 05:40:57,835 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 05:40:57,835 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:40:57,836 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 05:40:57,836 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:40:57,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:40:57,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:40:57,838 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:40:57,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:40:57,839 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 05:40:57,839 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_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bebfef36417cc629a011ca1d30e6696f3048116bc9623a75bf9b2a872de91ab8 [2023-11-29 05:40:58,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:40:58,141 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:40:58,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:40:58,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:40:58,145 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:40:58,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i [2023-11-29 05:41:01,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:41:01,378 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:41:01,379 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/sv-benchmarks/c/termination-memory-alloca/openbsd_cstpcpy-alloca-2.i [2023-11-29 05:41:01,397 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/data/a5f8993d3/4c3699cbff734fce8bbf5f8be3eb1512/FLAGd9b41d079 [2023-11-29 05:41:01,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/data/a5f8993d3/4c3699cbff734fce8bbf5f8be3eb1512 [2023-11-29 05:41:01,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:41:01,417 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:41:01,418 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:41:01,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:41:01,424 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:41:01,424 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57a80c4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01, skipping insertion in model container [2023-11-29 05:41:01,426 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:41:01,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:41:01,791 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:41:01,831 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:41:01,859 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:41:01,860 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01 WrapperNode [2023-11-29 05:41:01,860 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:41:01,861 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:41:01,861 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:41:01,861 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:41:01,868 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,880 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,900 INFO L138 Inliner]: procedures = 111, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2023-11-29 05:41:01,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:41:01,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:41:01,902 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:41:01,902 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:41:01,913 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,916 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,929 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [1, 2]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 2 writes are split as follows [1, 1]. [2023-11-29 05:41:01,930 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,930 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,941 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:41:01,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:41:01,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:41:01,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:41:01,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (1/1) ... [2023-11-29 05:41:01,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:01,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:01,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:01,976 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 05:41:02,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 05:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 05:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 05:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 05:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 05:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 05:41:02,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:41:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:41:02,125 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:41:02,127 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:41:02,236 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:41:02,246 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:41:02,246 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-29 05:41:02,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:41:02 BoogieIcfgContainer [2023-11-29 05:41:02,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:41:02,250 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 05:41:02,250 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 05:41:02,254 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 05:41:02,255 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:41:02,255 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 05:41:01" (1/3) ... [2023-11-29 05:41:02,256 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b31f21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:41:02, skipping insertion in model container [2023-11-29 05:41:02,256 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:41:02,256 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:41:01" (2/3) ... [2023-11-29 05:41:02,257 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7b31f21e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 05:41:02, skipping insertion in model container [2023-11-29 05:41:02,257 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 05:41:02,257 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:41:02" (3/3) ... [2023-11-29 05:41:02,259 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpcpy-alloca-2.i [2023-11-29 05:41:02,319 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 05:41:02,319 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 05:41:02,320 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 05:41:02,320 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 05:41:02,320 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 05:41:02,320 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 05:41:02,320 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 05:41:02,321 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 05:41:02,326 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 05:41:02,350 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:41:02,350 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:41:02,351 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:41:02,358 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 05:41:02,359 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:41:02,359 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 05:41:02,359 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 05:41:02,361 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 05:41:02,361 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 05:41:02,361 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 05:41:02,362 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 05:41:02,362 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 05:41:02,373 INFO L748 eck$LassoCheckResult]: Stem: 12#$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~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 10#L555true assume !(main_~length1~0#1 < 1); 5#L555-2true assume !(main_~length2~0#1 < 1); 6#L558-1true assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 18446744073709551616);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 18446744073709551616);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;call write~int#1(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstpcpy } true;cstpcpy_#in~to#1.base, cstpcpy_#in~to#1.offset, cstpcpy_#in~from#1.base, cstpcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstpcpy_#res#1.base, cstpcpy_#res#1.offset;havoc cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset, cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset, cstpcpy_#t~mem4#1, cstpcpy_~to#1.base, cstpcpy_~to#1.offset, cstpcpy_~from#1.base, cstpcpy_~from#1.offset;cstpcpy_~to#1.base, cstpcpy_~to#1.offset := cstpcpy_#in~to#1.base, cstpcpy_#in~to#1.offset;cstpcpy_~from#1.base, cstpcpy_~from#1.offset := cstpcpy_#in~from#1.base, cstpcpy_#in~from#1.offset; 7#L549-4true [2023-11-29 05:41:02,373 INFO L750 eck$LassoCheckResult]: Loop: 7#L549-4true call cstpcpy_#t~mem4#1 := read~int#1(cstpcpy_~from#1.base, cstpcpy_~from#1.offset, 1);call write~int#0(cstpcpy_#t~mem4#1, cstpcpy_~to#1.base, cstpcpy_~to#1.offset, 1); 2#L549-1true assume !!(0 != cstpcpy_#t~mem4#1);havoc cstpcpy_#t~mem4#1; 4#L549-3true cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset := cstpcpy_~from#1.base, 1 + cstpcpy_~from#1.offset;cstpcpy_~from#1.base, cstpcpy_~from#1.offset := cstpcpy_~from#1.base, 1 + cstpcpy_~from#1.offset;havoc cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset;cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset := cstpcpy_~to#1.base, 1 + cstpcpy_~to#1.offset;cstpcpy_~to#1.base, cstpcpy_~to#1.offset := cstpcpy_~to#1.base, 1 + cstpcpy_~to#1.offset;havoc cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset; 7#L549-4true [2023-11-29 05:41:02,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:02,381 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2023-11-29 05:41:02,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:41:02,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491606095] [2023-11-29 05:41:02,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:02,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:41:02,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:41:02,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:41:02,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:41:02,577 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:41:02,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:02,581 INFO L85 PathProgramCache]: Analyzing trace with hash 52792, now seen corresponding path program 1 times [2023-11-29 05:41:02,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:41:02,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958428863] [2023-11-29 05:41:02,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:02,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:41:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:41:02,598 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:41:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:41:02,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:41:02,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:02,612 INFO L85 PathProgramCache]: Analyzing trace with hash 180551759, now seen corresponding path program 1 times [2023-11-29 05:41:02,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:41:02,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949647031] [2023-11-29 05:41:02,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:41:02,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:41:02,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:41:02,672 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 05:41:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 05:41:02,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 05:41:03,620 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 05:41:03,621 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 05:41:03,621 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 05:41:03,621 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 05:41:03,622 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 05:41:03,622 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:03,622 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 05:41:03,622 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 05:41:03,622 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpcpy-alloca-2.i_Iteration1_Lasso [2023-11-29 05:41:03,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 05:41:03,623 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 05:41:03,643 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 05:41:03,652 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 05:41:03,657 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 05:41:03,660 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 05:41:03,664 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 05:41:04,288 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 05:41:04,293 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 05:41:04,297 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 05:41:04,302 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 05:41:04,305 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 05:41:04,311 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 05:41:04,315 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 05:41:04,319 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 05:41:04,322 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 05:41:04,325 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 05:41:04,333 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 05:41:04,336 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 05:41:04,340 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 05:41:04,344 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 05:41:04,347 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 05:41:04,350 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 05:41:04,354 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 05:41:05,090 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 05:41:05,096 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 05:41:05,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,102 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 05:41:05,105 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 05:41:05,123 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:41:05,123 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:41:05,124 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:41:05,124 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:41:05,124 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:41:05,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:41:05,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:41:05,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:41:05,139 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 05:41:05,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,142 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 05:41:05,148 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 05:41:05,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:41:05,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:41:05,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:41:05,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:41:05,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:41:05,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:41:05,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:41:05,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-29 05:41:05,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,185 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 05:41:05,189 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 05:41:05,203 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:41:05,203 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:41:05,204 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:41:05,204 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:41:05,204 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:41:05,205 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 05:41:05,205 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:41:05,207 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:41:05,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 05:41:05,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,214 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 05:41:05,218 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 05:41:05,233 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:41:05,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:41:05,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:41:05,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:41:05,238 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:41:05,238 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:41:05,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:41:05,247 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 05:41:05,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,249 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 05:41:05,263 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 05:41:05,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:41:05,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 05:41:05,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:41:05,279 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-29 05:41:05,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:41:05,280 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2023-11-29 05:41:05,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 05:41:05,285 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:41:05,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-29 05:41:05,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,291 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 05:41:05,303 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 05:41:05,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:41:05,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:41:05,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:41:05,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:41:05,323 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:41:05,323 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:41:05,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:41:05,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 05:41:05,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,338 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,340 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 05:41:05,342 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 05:41:05,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:41:05,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:41:05,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:41:05,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:41:05,367 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:41:05,367 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:41:05,376 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 05:41:05,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 05:41:05,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,382 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 05:41:05,386 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 05:41:05,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 05:41:05,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 05:41:05,402 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 05:41:05,402 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 05:41:05,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 05:41:05,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 05:41:05,447 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 05:41:05,531 INFO L443 ModelExtractionUtils]: Simplification made 16 calls to the SMT solver. [2023-11-29 05:41:05,531 INFO L444 ModelExtractionUtils]: 7 out of 31 variables were initially zero. Simplification set additionally 21 variables to zero. [2023-11-29 05:41:05,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 05:41:05,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:41:05,559 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 05:41:05,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 05:41:05,563 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 05:41:05,580 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 05:41:05,580 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 05:41:05,581 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cstpcpy_~from#1.offset, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1) = -1*ULTIMATE.start_cstpcpy_~from#1.offset + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 Supporting invariants [] [2023-11-29 05:41:05,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 05:41:05,656 INFO L156 tatePredicateManager]: 12 out of 14 supporting invariants were superfluous and have been removed [2023-11-29 05:41:05,672 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated [2023-11-29 05:41:05,675 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~from!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 05:41:05,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:41:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:05,739 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 05:41:05,741 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:05,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:41:05,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-29 05:41:05,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 05:41:05,786 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 05:41:05,835 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 05:41:05,874 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 05:41:05,876 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.6666666666666665) internal successors, (8), 3 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) [2023-11-29 05:41:05,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 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 2.6666666666666665) internal successors, (8), 3 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) Result 26 states and 30 transitions. Complement of second has 6 states. [2023-11-29 05:41:05,975 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 05:41:05,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2023-11-29 05:41:05,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 20 transitions. [2023-11-29 05:41:05,983 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-29 05:41:05,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:41:05,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 8 letters. Loop has 3 letters. [2023-11-29 05:41:05,984 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:41:05,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 20 transitions. Stem has 5 letters. Loop has 6 letters. [2023-11-29 05:41:05,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 05:41:05,985 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 30 transitions. [2023-11-29 05:41:05,988 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:41:05,990 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 0 states and 0 transitions. [2023-11-29 05:41:05,991 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 05:41:05,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 05:41:05,992 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 05:41:05,992 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 05:41:05,992 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:41:05,993 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:41:05,993 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:41:05,993 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 05:41:05,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:41:05,993 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 05:41:05,993 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 05:41:06,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 05:41:06 BoogieIcfgContainer [2023-11-29 05:41:06,002 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 05:41:06,002 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:41:06,002 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:41:06,003 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:41:06,003 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:41:02" (3/4) ... [2023-11-29 05:41:06,006 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 05:41:06,007 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:41:06,008 INFO L158 Benchmark]: Toolchain (without parser) took 4590.97ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 112.6MB in the beginning and 147.7MB in the end (delta: -35.1MB). Peak memory consumption was 11.0MB. Max. memory is 16.1GB. [2023-11-29 05:41:06,009 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:41:06,009 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.60ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 96.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-29 05:41:06,010 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.75ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:41:06,011 INFO L158 Benchmark]: Boogie Preprocessor took 42.97ms. Allocated memory is still 146.8MB. Free memory was 94.3MB in the beginning and 92.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:41:06,012 INFO L158 Benchmark]: RCFGBuilder took 303.72ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 81.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-29 05:41:06,012 INFO L158 Benchmark]: BuchiAutomizer took 3751.83ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 81.3MB in the beginning and 147.7MB in the end (delta: -66.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:41:06,013 INFO L158 Benchmark]: Witness Printer took 4.69ms. Allocated memory is still 190.8MB. Free memory is still 147.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:41:06,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 146.8MB. Free memory is still 121.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.60ms. Allocated memory is still 146.8MB. Free memory was 112.6MB in the beginning and 96.4MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.75ms. Allocated memory is still 146.8MB. Free memory was 96.4MB in the beginning and 94.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.97ms. Allocated memory is still 146.8MB. Free memory was 94.3MB in the beginning and 92.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 303.72ms. Allocated memory is still 146.8MB. Free memory was 92.1MB in the beginning and 81.3MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3751.83ms. Allocated memory was 146.8MB in the beginning and 190.8MB in the end (delta: 44.0MB). Free memory was 81.3MB in the beginning and 147.7MB in the end (delta: -66.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.69ms. Allocated memory is still 190.8MB. Free memory is still 147.7MB. 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[#t~malloc8!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~from!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * 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 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 13 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital190 mio100 ax109 hnf100 lsp82 ukn97 mio100 lsp47 div191 bol100 ite100 ukn100 eq160 hnf92 smp66 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms 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! [2023-11-29 05:41:06,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5efe0adb-d78e-4895-a1a4-ad1cd834cff8/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