./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/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_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/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 32bit --witnessprinter.graph.data.programhash 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:37:30,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:37:30,213 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-28 20:37:30,218 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:37:30,218 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:37:30,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:37:30,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:37:30,243 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:37:30,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:37:30,245 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:37:30,245 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:37:30,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:37:30,246 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:37:30,247 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-28 20:37:30,247 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-28 20:37:30,248 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-28 20:37:30,248 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-28 20:37:30,249 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-28 20:37:30,249 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-28 20:37:30,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:37:30,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-28 20:37:30,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:37:30,252 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:37:30,252 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:37:30,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:37:30,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-28 20:37:30,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-28 20:37:30,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-28 20:37:30,254 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-28 20:37:30,255 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:37:30,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:37:30,255 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-28 20:37:30,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:37:30,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:37:30,256 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:37:30,257 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:37:30,257 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:37:30,257 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-28 20:37:30,258 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_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b6873ae1a0d665798beb3dd9c0c48e89806da7dd46f1d2066800a52e0a2aa51 [2023-11-28 20:37:30,445 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:37:30,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:37:30,467 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:37:30,468 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:37:30,468 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:37:30,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2023-11-28 20:37:33,249 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:37:33,452 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:37:33,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/sv-benchmarks/c/array-memsafety/openbsd_cstrcpy-alloca-2.i [2023-11-28 20:37:33,466 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/data/890952d5e/1d27c321b8dd489e8e7c2c0d13a6f82e/FLAGa7154ae4c [2023-11-28 20:37:33,480 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/data/890952d5e/1d27c321b8dd489e8e7c2c0d13a6f82e [2023-11-28 20:37:33,483 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:37:33,484 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:37:33,485 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:37:33,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:37:33,491 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:37:33,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31cdca74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33, skipping insertion in model container [2023-11-28 20:37:33,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,536 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:37:33,776 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:37:33,787 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:37:33,823 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:37:33,850 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:37:33,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33 WrapperNode [2023-11-28 20:37:33,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:37:33,852 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:37:33,852 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:37:33,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:37:33,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,871 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,890 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2023-11-28 20:37:33,891 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:37:33,891 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:37:33,891 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:37:33,891 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:37:33,902 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,902 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,914 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [3, 1]. 75 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 3 writes are split as follows [2, 1]. [2023-11-28 20:37:33,915 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,915 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,922 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,923 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,924 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:37:33,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:37:33,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:37:33,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:37:33,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (1/1) ... [2023-11-28 20:37:33,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:33,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:33,957 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:33,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-28 20:37:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-28 20:37:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-28 20:37:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-28 20:37:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-28 20:37:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-28 20:37:33,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-28 20:37:33,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:37:33,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:37:34,084 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:37:34,086 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:37:34,211 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:37:34,218 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:37:34,219 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-28 20:37:34,220 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:34 BoogieIcfgContainer [2023-11-28 20:37:34,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:37:34,221 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-28 20:37:34,221 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-28 20:37:34,225 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-28 20:37:34,225 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:34,225 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 08:37:33" (1/3) ... [2023-11-28 20:37:34,226 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16aa1ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:34, skipping insertion in model container [2023-11-28 20:37:34,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:34,226 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:37:33" (2/3) ... [2023-11-28 20:37:34,226 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@16aa1ea5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 08:37:34, skipping insertion in model container [2023-11-28 20:37:34,227 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-28 20:37:34,227 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:34" (3/3) ... [2023-11-28 20:37:34,228 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstrcpy-alloca-2.i [2023-11-28 20:37:34,273 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-28 20:37:34,273 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-28 20:37:34,273 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-28 20:37:34,273 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-28 20:37:34,273 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-28 20:37:34,273 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-28 20:37:34,273 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-28 20:37:34,274 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-28 20:37:34,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2023-11-28 20:37:34,292 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-28 20:37:34,293 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:34,293 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:34,298 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-28 20:37:34,298 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 20:37:34,299 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-28 20:37:34,299 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 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) [2023-11-28 20:37:34,301 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-28 20:37:34,301 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:34,301 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:34,301 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-28 20:37:34,301 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-28 20:37:34,309 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 8#L523true assume !(main_~length1~0#1 < 1); 10#L523-2true assume !(main_~length2~0#1 < 1); 11#L526-1true assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 2#L534-3true [2023-11-28 20:37:34,310 INFO L750 eck$LassoCheckResult]: Loop: 2#L534-3true assume !!(main_~i~0#1 < main_~length2~0#1 - 1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 7#L534-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2#L534-3true [2023-11-28 20:37:34,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:34,315 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2023-11-28 20:37:34,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:34,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190343590] [2023-11-28 20:37:34,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:34,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:34,425 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:34,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:34,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:34,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:34,460 INFO L85 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2023-11-28 20:37:34,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:34,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558633814] [2023-11-28 20:37:34,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:34,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:34,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:34,471 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:34,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:34,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:34,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2023-11-28 20:37:34,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:34,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778068878] [2023-11-28 20:37:34,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:34,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:34,513 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:34,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:34,537 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:34,995 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:34,996 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:34,996 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:34,996 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:34,996 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:34,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:34,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:34,997 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:34,997 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration1_Lasso [2023-11-28 20:37:34,997 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:34,997 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:35,017 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,026 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,033 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,258 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,262 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,268 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,272 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,277 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:35,688 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:35,692 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:35,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-28 20:37:35,703 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 [2023-11-28 20:37:35,717 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,717 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,718 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,718 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,720 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:35,720 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,723 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:35,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,734 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-28 20:37:35,745 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 [2023-11-28 20:37:35,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,762 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,762 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:35,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-28 20:37:35,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,776 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-28 20:37:35,781 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 [2023-11-28 20:37:35,793 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,794 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:35,794 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,794 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,794 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,795 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:35,795 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:35,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,805 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-28 20:37:35,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,806 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-28 20:37:35,810 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 [2023-11-28 20:37:35,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,827 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,827 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:35,831 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-28 20:37:35,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,839 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-28 20:37:35,841 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 [2023-11-28 20:37:35,854 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,854 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,854 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,854 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:35,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,875 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-28 20:37:35,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,877 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-28 20:37:35,880 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 [2023-11-28 20:37:35,893 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,893 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,893 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,893 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,896 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,897 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:35,903 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,906 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-28 20:37:35,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,908 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-28 20:37:35,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 20:37:35,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:35,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:35,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-28 20:37:35,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:35,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:35,937 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:35,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-28 20:37:35,940 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 [2023-11-28 20:37:35,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:35,954 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:35,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:35,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:35,965 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:35,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:35,985 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 20:37:36,028 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-28 20:37:36,028 INFO L444 ModelExtractionUtils]: 7 out of 25 variables were initially zero. Simplification set additionally 15 variables to zero. [2023-11-28 20:37:36,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:36,030 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:36,061 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:36,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-28 20:37:36,063 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 20:37:36,077 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-28 20:37:36,077 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 20:37:36,078 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, ULTIMATE.start_main_~length2~0#1) = -1*ULTIMATE.start_main_~i~0#1 + 1*ULTIMATE.start_main_~length2~0#1 Supporting invariants [] [2023-11-28 20:37:36,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-28 20:37:36,103 INFO L156 tatePredicateManager]: 6 out of 6 supporting invariants were superfluous and have been removed [2023-11-28 20:37:36,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:36,152 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-28 20:37:36,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:36,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:36,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-28 20:37:36,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:36,221 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 [2023-11-28 20:37:36,223 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:36,271 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 41 transitions. Complement of second has 8 states. [2023-11-28 20:37:36,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-28 20:37:36,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:36,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-28 20:37:36,280 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-28 20:37:36,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:36,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-28 20:37:36,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:36,281 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-28 20:37:36,281 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:36,282 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2023-11-28 20:37:36,285 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 20:37:36,289 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 12 states and 16 transitions. [2023-11-28 20:37:36,290 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-28 20:37:36,290 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-28 20:37:36,290 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2023-11-28 20:37:36,291 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:37:36,291 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-28 20:37:36,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2023-11-28 20:37:36,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-28 20:37:36,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:36,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2023-11-28 20:37:36,317 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-28 20:37:36,317 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-28 20:37:36,317 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-28 20:37:36,317 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2023-11-28 20:37:36,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 20:37:36,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:36,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:36,319 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:37:36,319 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-28 20:37:36,319 INFO L748 eck$LassoCheckResult]: Stem: 126#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 127#L-1 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~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#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; 123#L523 assume !(main_~length1~0#1 < 1); 124#L523-2 assume !(main_~length2~0#1 < 1); 125#L526-1 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 % 4294967296);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 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 119#L534-3 assume !(main_~i~0#1 < main_~length2~0#1 - 1); 120#L534-4 havoc main_~i~0#1;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset, cstrcpy_#in~from#1.base, cstrcpy_#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 cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset, cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, cstrcpy_~from#1.base, cstrcpy_~from#1.offset, cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset;cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset := cstrcpy_~to#1.base, cstrcpy_~to#1.offset; 128#L517-4 [2023-11-28 20:37:36,320 INFO L750 eck$LassoCheckResult]: Loop: 128#L517-4 call cstrcpy_#t~mem4#1 := read~int#0(cstrcpy_~from#1.base, cstrcpy_~from#1.offset, 1);call write~int#1(cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, 1); 129#L517-1 assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~mem4#1; 130#L517-3 cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset;cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;havoc cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset; 128#L517-4 [2023-11-28 20:37:36,320 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:36,320 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2023-11-28 20:37:36,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:36,321 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443016482] [2023-11-28 20:37:36,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:36,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:36,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,341 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:36,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,360 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:36,360 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:36,360 INFO L85 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 1 times [2023-11-28 20:37:36,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:36,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111907857] [2023-11-28 20:37:36,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:36,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,370 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,378 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:36,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:36,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1713552629, now seen corresponding path program 1 times [2023-11-28 20:37:36,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:36,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564206818] [2023-11-28 20:37:36,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:36,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:36,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:36,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:37:36,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564206818] [2023-11-28 20:37:36,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564206818] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:37:36,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:37:36,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-28 20:37:36,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336650376] [2023-11-28 20:37:36,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:37:36,788 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-28 20:37:36,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:37:36,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-28 20:37:36,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-28 20:37:36,816 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:36,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:37:36,892 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2023-11-28 20:37:36,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2023-11-28 20:37:36,893 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 20:37:36,893 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 13 states and 16 transitions. [2023-11-28 20:37:36,893 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-28 20:37:36,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-28 20:37:36,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2023-11-28 20:37:36,894 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:37:36,894 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-28 20:37:36,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2023-11-28 20:37:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-28 20:37:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 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) [2023-11-28 20:37:36,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2023-11-28 20:37:36,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-28 20:37:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-28 20:37:36,897 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-28 20:37:36,897 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-28 20:37:36,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2023-11-28 20:37:36,898 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-28 20:37:36,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-28 20:37:36,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-28 20:37:36,898 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:37:36,899 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-28 20:37:36,899 INFO L748 eck$LassoCheckResult]: Stem: 172#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 173#L-1 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~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#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; 169#L523 assume !(main_~length1~0#1 < 1); 170#L523-2 assume !(main_~length2~0#1 < 1); 171#L526-1 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 % 4294967296);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 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 165#L534-3 assume !!(main_~i~0#1 < main_~length2~0#1 - 1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 166#L534-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 167#L534-3 assume !(main_~i~0#1 < main_~length2~0#1 - 1); 168#L534-4 havoc main_~i~0#1;call write~int#0(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstrcpy } true;cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset, cstrcpy_#in~from#1.base, cstrcpy_#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 cstrcpy_#res#1.base, cstrcpy_#res#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset, cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset, cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, cstrcpy_~from#1.base, cstrcpy_~from#1.offset, cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_#in~to#1.base, cstrcpy_#in~to#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_#in~from#1.base, cstrcpy_#in~from#1.offset;cstrcpy_~save~0#1.base, cstrcpy_~save~0#1.offset := cstrcpy_~to#1.base, cstrcpy_~to#1.offset; 174#L517-4 [2023-11-28 20:37:36,899 INFO L750 eck$LassoCheckResult]: Loop: 174#L517-4 call cstrcpy_#t~mem4#1 := read~int#0(cstrcpy_~from#1.base, cstrcpy_~from#1.offset, 1);call write~int#1(cstrcpy_#t~mem4#1, cstrcpy_~to#1.base, cstrcpy_~to#1.offset, 1); 175#L517-1 assume !!(0 != cstrcpy_#t~mem4#1);havoc cstrcpy_#t~mem4#1; 176#L517-3 cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;cstrcpy_~from#1.base, cstrcpy_~from#1.offset := cstrcpy_~from#1.base, 1 + cstrcpy_~from#1.offset;havoc cstrcpy_#t~pre2#1.base, cstrcpy_#t~pre2#1.offset;cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;cstrcpy_~to#1.base, cstrcpy_~to#1.offset := cstrcpy_~to#1.base, 1 + cstrcpy_~to#1.offset;havoc cstrcpy_#t~pre3#1.base, cstrcpy_#t~pre3#1.offset; 174#L517-4 [2023-11-28 20:37:36,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:36,899 INFO L85 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2023-11-28 20:37:36,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:36,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172769945] [2023-11-28 20:37:36,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:36,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:36,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,916 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:36,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,928 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:36,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:36,929 INFO L85 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 2 times [2023-11-28 20:37:36,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:36,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913914457] [2023-11-28 20:37:36,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:36,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,934 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,939 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:36,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:36,939 INFO L85 PathProgramCache]: Analyzing trace with hash -894230189, now seen corresponding path program 1 times [2023-11-28 20:37:36,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:37:36,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511377420] [2023-11-28 20:37:36,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:37:36,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:37:36,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-28 20:37:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-28 20:37:36,973 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-28 20:37:37,647 INFO L210 LassoAnalysis]: Preferences: [2023-11-28 20:37:37,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-28 20:37:37,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-28 20:37:37,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-28 20:37:37,648 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-28 20:37:37,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:37,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-28 20:37:37,648 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-28 20:37:37,648 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstrcpy-alloca-2.i_Iteration3_Lasso [2023-11-28 20:37:37,648 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-28 20:37:37,648 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-28 20:37:37,653 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,657 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,660 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,663 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,669 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,672 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:37,689 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,200 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,202 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,205 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,212 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,214 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,216 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-28 20:37:38,679 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-28 20:37:38,679 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-28 20:37:38,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,681 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-28 20:37:38,689 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 [2023-11-28 20:37:38,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,701 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,701 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,701 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,703 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:38,703 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:38,706 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,710 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-28 20:37:38,712 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 [2023-11-28 20:37:38,722 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,722 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,722 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,722 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,722 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,723 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,724 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,727 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,728 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-28 20:37:38,730 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 [2023-11-28 20:37:38,740 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,740 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,740 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:38,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:38,746 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-28 20:37:38,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,753 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,755 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-28 20:37:38,755 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 [2023-11-28 20:37:38,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,768 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,772 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-28 20:37:38,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,774 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-28 20:37:38,776 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 [2023-11-28 20:37:38,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,790 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-28 20:37:38,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,791 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-28 20:37:38,794 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 [2023-11-28 20:37:38,804 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:38,806 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:38,809 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-28 20:37:38,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,813 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-28 20:37:38,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-28 20:37:38,825 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,825 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,825 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,825 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,825 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,826 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,826 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,827 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,830 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-28 20:37:38,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,831 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-28 20:37:38,833 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 [2023-11-28 20:37:38,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,843 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,843 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,844 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,844 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-28 20:37:38,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-28 20:37:38,851 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 [2023-11-28 20:37:38,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,861 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,862 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,863 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,866 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,867 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,868 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-28 20:37:38,870 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 [2023-11-28 20:37:38,880 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,880 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,880 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,880 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,880 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-28 20:37:38,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,887 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-28 20:37:38,892 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 [2023-11-28 20:37:38,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,905 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,908 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-28 20:37:38,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,909 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-28 20:37:38,912 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 [2023-11-28 20:37:38,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,923 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:38,924 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:38,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-28 20:37:38,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,931 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-28 20:37:38,934 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 [2023-11-28 20:37:38,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,944 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,945 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,945 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,946 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-28 20:37:38,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,950 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-28 20:37:38,952 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 [2023-11-28 20:37:38,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-28 20:37:38,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-28 20:37:38,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-28 20:37:38,965 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-28 20:37:38,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,969 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-28 20:37:38,971 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 [2023-11-28 20:37:38,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:38,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:38,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:38,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:38,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:38,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:38,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:38,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-28 20:37:38,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:38,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:38,990 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:38,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-28 20:37:38,992 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 [2023-11-28 20:37:39,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:39,003 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:39,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:39,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:39,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-28 20:37:39,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-28 20:37:39,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,011 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,012 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-28 20:37:39,013 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 [2023-11-28 20:37:39,023 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-28 20:37:39,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-28 20:37:39,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-28 20:37:39,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-28 20:37:39,028 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-28 20:37:39,028 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-28 20:37:39,040 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-28 20:37:39,066 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2023-11-28 20:37:39,066 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 11 variables to zero. [2023-11-28 20:37:39,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-28 20:37:39,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:37:39,068 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-28 20:37:39,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-28 20:37:39,072 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-28 20:37:39,086 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-28 20:37:39,086 INFO L513 LassoAnalysis]: Proved termination. [2023-11-28 20:37:39,086 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_2, ULTIMATE.start_cstrcpy_~from#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_2 - 1*ULTIMATE.start_cstrcpy_~from#1.offset Supporting invariants [] [2023-11-28 20:37:39,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-28 20:37:39,139 INFO L156 tatePredicateManager]: 13 out of 15 supporting invariants were superfluous and have been removed [2023-11-28 20:37:39,143 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString~0!base] could not be translated [2023-11-28 20:37:39,144 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~from!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-28 20:37:39,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:37:39,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:39,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-28 20:37:39,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:37:39,237 INFO L262 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-28 20:37:39,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-28 20:37:39,275 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:37:39,276 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 [2023-11-28 20:37:39,276 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:39,320 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 15 states and 19 transitions. Complement of second has 5 states. [2023-11-28 20:37:39,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-28 20:37:39,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-28 20:37:39,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2023-11-28 20:37:39,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-28 20:37:39,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:39,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 3 letters. [2023-11-28 20:37:39,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:39,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 6 letters. [2023-11-28 20:37:39,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-28 20:37:39,322 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 19 transitions. [2023-11-28 20:37:39,323 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-28 20:37:39,323 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2023-11-28 20:37:39,323 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-28 20:37:39,323 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-28 20:37:39,323 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-28 20:37:39,324 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-28 20:37:39,324 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:37:39,324 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:37:39,324 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:37:39,324 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-28 20:37:39,324 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-28 20:37:39,324 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-28 20:37:39,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-28 20:37:39,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 08:37:39 BoogieIcfgContainer [2023-11-28 20:37:39,331 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-28 20:37:39,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:37:39,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:37:39,332 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:37:39,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:37:34" (3/4) ... [2023-11-28 20:37:39,334 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-28 20:37:39,335 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:37:39,336 INFO L158 Benchmark]: Toolchain (without parser) took 5851.35ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 119.5MB in the beginning and 69.7MB in the end (delta: 49.8MB). Peak memory consumption was 130.2MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,336 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 107.0MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:37:39,337 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.82ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 102.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,337 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.72ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 100.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,338 INFO L158 Benchmark]: Boogie Preprocessor took 34.41ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 98.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,338 INFO L158 Benchmark]: RCFGBuilder took 293.89ms. Allocated memory is still 151.0MB. Free memory was 98.9MB in the beginning and 87.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,339 INFO L158 Benchmark]: BuchiAutomizer took 5109.96ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 87.1MB in the beginning and 69.7MB in the end (delta: 17.3MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. [2023-11-28 20:37:39,339 INFO L158 Benchmark]: Witness Printer took 3.33ms. Allocated memory is still 228.6MB. Free memory is still 69.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:37:39,341 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 107.0MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 365.82ms. Allocated memory is still 151.0MB. Free memory was 119.2MB in the beginning and 102.8MB in the end (delta: 16.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.72ms. Allocated memory is still 151.0MB. Free memory was 102.8MB in the beginning and 100.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.41ms. Allocated memory is still 151.0MB. Free memory was 100.9MB in the beginning and 98.9MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.89ms. Allocated memory is still 151.0MB. Free memory was 98.9MB in the beginning and 87.4MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5109.96ms. Allocated memory was 151.0MB in the beginning and 228.6MB in the end (delta: 77.6MB). Free memory was 87.1MB in the beginning and 69.7MB in the end (delta: 17.3MB). Peak memory consumption was 96.7MB. Max. memory is 16.1GB. * Witness Printer took 3.33ms. Allocated memory is still 228.6MB. Free memory is still 69.7MB. 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[~nondetString~0!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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function (length2 + (-1 * i)) and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.0s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 41 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 28 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital166 mio100 ax111 hnf100 lsp83 ukn86 mio100 lsp42 div188 bol100 ite100 ukn100 eq153 hnf93 smp72 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms 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! [2023-11-28 20:37:39,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-28 20:37:39,586 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ae230f1b-00f8-4a18-9072-3fb1339d7bfe/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