./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 30e01a73 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_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4e9a16750b1d24e07696c6ab53b9e97b0ee6fcf6dce752052f3cbc796bfbdcce --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 22:41:22,234 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 22:41:22,299 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-23 22:41:22,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 22:41:22,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 22:41:22,330 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 22:41:22,331 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 22:41:22,331 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 22:41:22,332 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 22:41:22,333 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 22:41:22,334 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 22:41:22,334 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 22:41:22,335 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 22:41:22,335 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-23 22:41:22,336 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-23 22:41:22,336 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-23 22:41:22,337 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-23 22:41:22,337 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-23 22:41:22,337 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-23 22:41:22,338 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 22:41:22,338 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-23 22:41:22,339 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 22:41:22,340 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 22:41:22,340 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-23 22:41:22,340 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-23 22:41:22,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-23 22:41:22,341 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 22:41:22,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 22:41:22,342 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-23 22:41:22,342 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 22:41:22,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 22:41:22,343 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 22:41:22,343 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 22:41:22,344 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 22:41:22,344 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-23 22:41:22,344 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_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e9a16750b1d24e07696c6ab53b9e97b0ee6fcf6dce752052f3cbc796bfbdcce [2023-11-23 22:41:22,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 22:41:22,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 22:41:22,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 22:41:22,604 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 22:41:22,605 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 22:41:22,606 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i [2023-11-23 22:41:25,841 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 22:41:26,067 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 22:41:26,068 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc2.i [2023-11-23 22:41:26,076 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/data/8fa560f72/334c2d08dd2245bdb8c59e095be1c873/FLAG313f895a9 [2023-11-23 22:41:26,093 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/data/8fa560f72/334c2d08dd2245bdb8c59e095be1c873 [2023-11-23 22:41:26,096 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 22:41:26,097 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 22:41:26,099 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 22:41:26,099 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 22:41:26,105 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 22:41:26,106 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@753147e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26, skipping insertion in model container [2023-11-23 22:41:26,108 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,131 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 22:41:26,306 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:41:26,321 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 22:41:26,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 22:41:26,350 INFO L206 MainTranslator]: Completed translation [2023-11-23 22:41:26,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26 WrapperNode [2023-11-23 22:41:26,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 22:41:26,353 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 22:41:26,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 22:41:26,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 22:41:26,362 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,392 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 34 [2023-11-23 22:41:26,393 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 22:41:26,394 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 22:41:26,394 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 22:41:26,394 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 22:41:26,403 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,406 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,421 INFO L189 HeapSplitter]: Split 5 memory accesses to 2 slices as follows [4, 1] [2023-11-23 22:41:26,421 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,421 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,428 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,430 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,432 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,436 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 22:41:26,437 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 22:41:26,437 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 22:41:26,437 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 22:41:26,438 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (1/1) ... [2023-11-23 22:41:26,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:26,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:26,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:26,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-23 22:41:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure rec_strcopy_helper [2023-11-23 22:41:26,533 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_strcopy_helper [2023-11-23 22:41:26,533 INFO L130 BoogieDeclarations]: Found specification of procedure rec_cstrlen [2023-11-23 22:41:26,534 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_cstrlen [2023-11-23 22:41:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-23 22:41:26,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-23 22:41:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-23 22:41:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 22:41:26,536 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 22:41:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-23 22:41:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-23 22:41:26,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-23 22:41:26,650 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 22:41:26,653 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 22:41:26,878 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 22:41:26,888 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 22:41:26,889 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-23 22:41:26,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:26 BoogieIcfgContainer [2023-11-23 22:41:26,891 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 22:41:26,892 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-23 22:41:26,893 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-23 22:41:26,897 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-23 22:41:26,898 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:41:26,899 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 10:41:26" (1/3) ... [2023-11-23 22:41:26,900 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c64f59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:41:26, skipping insertion in model container [2023-11-23 22:41:26,900 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:41:26,900 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 10:41:26" (2/3) ... [2023-11-23 22:41:26,901 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c64f59a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 10:41:26, skipping insertion in model container [2023-11-23 22:41:26,901 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-23 22:41:26,901 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:26" (3/3) ... [2023-11-23 22:41:26,903 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_strcopy_malloc2.i [2023-11-23 22:41:26,956 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-23 22:41:26,957 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-23 22:41:26,957 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-23 22:41:26,957 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-23 22:41:26,957 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-23 22:41:26,957 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-23 22:41:26,958 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-23 22:41:26,958 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-23 22:41:26,965 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 22:41:26,984 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-23 22:41:26,985 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:41:26,985 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:41:26,991 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-23 22:41:26,991 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 22:41:26,992 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-23 22:41:26,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 24 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-23 22:41:26,995 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-23 22:41:26,995 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:41:26,996 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:41:26,996 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-23 22:41:26,996 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 22:41:27,005 INFO L748 eck$LassoCheckResult]: Stem: 20#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length~1#1, main_~original~0#1.base, main_~original~0#1.offset, main_~res~0#1.base, main_~res~0#1.offset;havoc main_#t~nondet8#1;main_~length~1#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 6#L43true assume main_~length~1#1 < 1;main_~length~1#1 := 1; 7#L43-2true assume { :begin_inline_build_nondet_String } true;build_nondet_String_#in~length#1 := main_~length~1#1;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length#1 := build_nondet_String_#in~length#1;call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int#0(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 2#build_nondet_String_returnLabel#1true main_#t~ret9#1.base, main_#t~ret9#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;havoc build_nondet_String_#in~length#1;assume { :end_inline_build_nondet_String } true;main_~original~0#1.base, main_~original~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_rec_strcopy } true;rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset := main_~original~0#1.base, main_~original~0#1.offset;havoc rec_strcopy_#res#1.base, rec_strcopy_#res#1.offset;havoc rec_strcopy_#t~ret6#1, rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset, rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~length~0#1, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset;rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset := rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset; 15#L34true call rec_strcopy_#t~ret6#1 := rec_cstrlen(rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset);< 21#$Ultimate##0true [2023-11-23 22:41:27,006 INFO L750 eck$LassoCheckResult]: Loop: 21#$Ultimate##0true ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int#0(~s.base, ~s.offset, 1); 3#L17true assume !(0 == #t~mem2);havoc #t~mem2; 8#L20true call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 21#$Ultimate##0true [2023-11-23 22:41:27,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:27,013 INFO L85 PathProgramCache]: Analyzing trace with hash 1155759803, now seen corresponding path program 1 times [2023-11-23 22:41:27,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:27,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245299784] [2023-11-23 22:41:27,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:27,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:27,160 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:27,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:27,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:27,246 INFO L85 PathProgramCache]: Analyzing trace with hash 59719, now seen corresponding path program 1 times [2023-11-23 22:41:27,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:27,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294491960] [2023-11-23 22:41:27,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:27,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:27,275 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:27,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:27,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:27,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:27,301 INFO L85 PathProgramCache]: Analyzing trace with hash -1512490931, now seen corresponding path program 1 times [2023-11-23 22:41:27,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:27,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913526073] [2023-11-23 22:41:27,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:27,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:27,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:27,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913526073] [2023-11-23 22:41:27,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913526073] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:27,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:27,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 22:41:27,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110420107] [2023-11-23 22:41:27,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:28,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:28,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 22:41:28,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:41:28,071 INFO L87 Difference]: Start difference. First operand has 24 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:41:28,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:28,184 INFO L93 Difference]: Finished difference Result 36 states and 41 transitions. [2023-11-23 22:41:28,185 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 36 states and 41 transitions. [2023-11-23 22:41:28,189 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-23 22:41:28,194 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 36 states to 26 states and 29 transitions. [2023-11-23 22:41:28,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2023-11-23 22:41:28,196 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2023-11-23 22:41:28,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 29 transitions. [2023-11-23 22:41:28,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:41:28,198 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 29 transitions. [2023-11-23 22:41:28,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 29 transitions. [2023-11-23 22:41:28,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24. [2023-11-23 22:41:28,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 18 states have internal predecessors, (19), 5 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2023-11-23 22:41:28,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions. [2023-11-23 22:41:28,227 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 27 transitions. [2023-11-23 22:41:28,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 22:41:28,232 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 27 transitions. [2023-11-23 22:41:28,233 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-23 22:41:28,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 27 transitions. [2023-11-23 22:41:28,234 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-23 22:41:28,234 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:41:28,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:41:28,235 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-23 22:41:28,235 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 22:41:28,236 INFO L748 eck$LassoCheckResult]: Stem: 101#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 93#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length~1#1, main_~original~0#1.base, main_~original~0#1.offset, main_~res~0#1.base, main_~res~0#1.offset;havoc main_#t~nondet8#1;main_~length~1#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 85#L43 assume !(main_~length~1#1 < 1); 86#L43-2 assume { :begin_inline_build_nondet_String } true;build_nondet_String_#in~length#1 := main_~length~1#1;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length#1 := build_nondet_String_#in~length#1;call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int#0(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 104#build_nondet_String_returnLabel#1 main_#t~ret9#1.base, main_#t~ret9#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;havoc build_nondet_String_#in~length#1;assume { :end_inline_build_nondet_String } true;main_~original~0#1.base, main_~original~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_rec_strcopy } true;rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset := main_~original~0#1.base, main_~original~0#1.offset;havoc rec_strcopy_#res#1.base, rec_strcopy_#res#1.offset;havoc rec_strcopy_#t~ret6#1, rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset, rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~length~0#1, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset;rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset := rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset; 89#L34 call rec_strcopy_#t~ret6#1 := rec_cstrlen(rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset);< 90#$Ultimate##0 [2023-11-23 22:41:28,236 INFO L750 eck$LassoCheckResult]: Loop: 90#$Ultimate##0 ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int#0(~s.base, ~s.offset, 1); 102#L17 assume !(0 == #t~mem2);havoc #t~mem2; 88#L20 call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 90#$Ultimate##0 [2023-11-23 22:41:28,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:28,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1155819385, now seen corresponding path program 1 times [2023-11-23 22:41:28,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:28,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441470141] [2023-11-23 22:41:28,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:28,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:28,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:28,258 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:28,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:28,259 INFO L85 PathProgramCache]: Analyzing trace with hash 59719, now seen corresponding path program 2 times [2023-11-23 22:41:28,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:28,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156375354] [2023-11-23 22:41:28,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:28,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:28,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:28,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:28,271 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:28,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:28,272 INFO L85 PathProgramCache]: Analyzing trace with hash 262516431, now seen corresponding path program 1 times [2023-11-23 22:41:28,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:28,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580012268] [2023-11-23 22:41:28,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:28,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:28,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:28,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:28,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:28,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:28,947 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 22:41:28,948 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 22:41:28,948 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 22:41:28,948 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 22:41:28,948 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 22:41:28,949 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:28,949 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 22:41:28,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 22:41:28,949 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strcopy_malloc2.i_Iteration2_Lasso [2023-11-23 22:41:28,949 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 22:41:28,950 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 22:41:28,970 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:28,979 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:28,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:28,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:28,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:28,990 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:28,993 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:28,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:28,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,001 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,092 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,094 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,099 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,102 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,104 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,107 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,109 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,112 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,121 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,128 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,133 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,147 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,150 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,152 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:29,416 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 22:41:29,422 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 22:41:29,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,426 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-23 22:41:29,437 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 [2023-11-23 22:41:29,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,451 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,451 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,452 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,452 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,454 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:29,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:29,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:29,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,496 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,505 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 [2023-11-23 22:41:29,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,519 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,520 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,520 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:29,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-23 22:41:29,544 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:29,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:29,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,575 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-23 22:41:29,585 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 [2023-11-23 22:41:29,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,603 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:29,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:29,634 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-23 22:41:29,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,636 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-23 22:41:29,640 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 [2023-11-23 22:41:29,651 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,651 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,652 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,652 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,652 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,654 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,654 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:29,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:29,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:29,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,685 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,688 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 [2023-11-23 22:41:29,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-23 22:41:29,701 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,702 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,702 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,702 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,702 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,703 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,723 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:29,735 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:29,756 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:29,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,758 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,770 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:41:29,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-23 22:41:29,784 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,784 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,785 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,786 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:29,804 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:29,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:29,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,835 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-23 22:41:29,843 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 [2023-11-23 22:41:29,856 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,857 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,863 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,864 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:29,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:29,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:29,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,901 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-23 22:41:29,905 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 [2023-11-23 22:41:29,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,919 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,919 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:29,927 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:29,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:29,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:29,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:29,952 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:29,965 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 [2023-11-23 22:41:29,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-23 22:41:29,981 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:29,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:29,982 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:29,982 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:29,982 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:29,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:29,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:30,012 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:30,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:30,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:30,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:30,041 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:30,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-23 22:41:30,050 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 [2023-11-23 22:41:30,064 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:30,064 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:30,064 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:30,064 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:30,071 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:41:30,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:41:30,089 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:30,115 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:30,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:30,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:30,117 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:30,120 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 [2023-11-23 22:41:30,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-23 22:41:30,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:30,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:30,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:30,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:30,148 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:41:30,149 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:41:30,172 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:30,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:30,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:30,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:30,195 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:30,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-23 22:41:30,201 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 [2023-11-23 22:41:30,215 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:30,215 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-23 22:41:30,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:30,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:30,220 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2023-11-23 22:41:30,220 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:41:30,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:30,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:30,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:30,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:30,277 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:30,285 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 [2023-11-23 22:41:30,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-23 22:41:30,299 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:30,299 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:30,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:30,300 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:30,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:41:30,314 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:41:30,329 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 22:41:30,383 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-23 22:41:30,383 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-23 22:41:30,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:30,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:30,407 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:30,414 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 22:41:30,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-23 22:41:30,449 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 22:41:30,449 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 22:41:30,450 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(rec_cstrlen_#in~s.offset, v_rep(select #length rec_cstrlen_#in~s.base)_1) = -1*rec_cstrlen_#in~s.offset + 1*v_rep(select #length rec_cstrlen_#in~s.base)_1 Supporting invariants [] [2023-11-23 22:41:30,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:30,481 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2023-11-23 22:41:30,489 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#in~s!base] could not be translated [2023-11-23 22:41:30,492 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-23 22:41:30,508 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:30,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:30,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 22:41:30,542 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:41:30,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:30,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 22:41:30,573 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:41:30,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:30,610 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 [2023-11-23 22:41:30,612 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 27 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:41:30,696 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 27 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 48 transitions. Complement of second has 8 states. [2023-11-23 22:41:30,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-23 22:41:30,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 22:41:30,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 12 transitions. [2023-11-23 22:41:30,703 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-23 22:41:30,704 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:41:30,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-23 22:41:30,705 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:41:30,705 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-23 22:41:30,706 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:41:30,706 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 48 transitions. [2023-11-23 22:41:30,709 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 22:41:30,713 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 33 states and 39 transitions. [2023-11-23 22:41:30,714 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-23 22:41:30,714 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-23 22:41:30,714 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 39 transitions. [2023-11-23 22:41:30,715 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 22:41:30,715 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 39 transitions. [2023-11-23 22:41:30,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 39 transitions. [2023-11-23 22:41:30,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2023-11-23 22:41:30,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 2 states have call predecessors, (5), 3 states have call successors, (5) [2023-11-23 22:41:30,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 35 transitions. [2023-11-23 22:41:30,722 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 35 transitions. [2023-11-23 22:41:30,722 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 35 transitions. [2023-11-23 22:41:30,723 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-23 22:41:30,723 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 35 transitions. [2023-11-23 22:41:30,724 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 22:41:30,725 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:41:30,725 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:41:30,726 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:30,726 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 22:41:30,727 INFO L748 eck$LassoCheckResult]: Stem: 224#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 215#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length~1#1, main_~original~0#1.base, main_~original~0#1.offset, main_~res~0#1.base, main_~res~0#1.offset;havoc main_#t~nondet8#1;main_~length~1#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 209#L43 assume !(main_~length~1#1 < 1); 210#L43-2 assume { :begin_inline_build_nondet_String } true;build_nondet_String_#in~length#1 := main_~length~1#1;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length#1 := build_nondet_String_#in~length#1;call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int#0(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 229#build_nondet_String_returnLabel#1 main_#t~ret9#1.base, main_#t~ret9#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;havoc build_nondet_String_#in~length#1;assume { :end_inline_build_nondet_String } true;main_~original~0#1.base, main_~original~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_rec_strcopy } true;rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset := main_~original~0#1.base, main_~original~0#1.offset;havoc rec_strcopy_#res#1.base, rec_strcopy_#res#1.offset;havoc rec_strcopy_#t~ret6#1, rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset, rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~length~0#1, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset;rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset := rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset; 205#L34 call rec_strcopy_#t~ret6#1 := rec_cstrlen(rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset);< 225#$Ultimate##0 ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int#0(~s.base, ~s.offset, 1); 204#L17 assume 0 == #t~mem2;havoc #t~mem2;#res := 0; 206#rec_cstrlenFINAL assume true; 221#rec_cstrlenEXIT >#41#return; 220#L34-1 rec_strcopy_~length~0#1 := rec_strcopy_#t~ret6#1;havoc rec_strcopy_#t~ret6#1;call rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset := #Ultimate.allocOnHeap((1 + rec_strcopy_~length~0#1) % 18446744073709551616);rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset := rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset;havoc rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset; 213#L36 call rec_strcopy_helper(rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset);< 214#$Ultimate##0 [2023-11-23 22:41:30,727 INFO L750 eck$LassoCheckResult]: Loop: 214#$Ultimate##0 ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem4 := read~int#0(~source.base, ~source.offset, 1);call write~int#1(#t~mem4, ~dest.base, ~dest.offset, 1);havoc #t~mem4;call #t~mem5 := read~int#0(~source.base, ~source.offset, 1); 223#L28 assume 0 != #t~mem5;havoc #t~mem5; 218#L29 call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 214#$Ultimate##0 [2023-11-23 22:41:30,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:30,728 INFO L85 PathProgramCache]: Analyzing trace with hash -509542028, now seen corresponding path program 1 times [2023-11-23 22:41:30,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:30,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [149315136] [2023-11-23 22:41:30,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:30,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:30,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:30,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:30,767 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:30,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:30,768 INFO L85 PathProgramCache]: Analyzing trace with hash 29922, now seen corresponding path program 1 times [2023-11-23 22:41:30,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:30,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126860249] [2023-11-23 22:41:30,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:30,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:30,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:30,776 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:30,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:30,783 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:30,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:30,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1352131953, now seen corresponding path program 1 times [2023-11-23 22:41:30,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:30,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812855862] [2023-11-23 22:41:30,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:30,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:30,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:30,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-23 22:41:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:31,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:31,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 22:41:31,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812855862] [2023-11-23 22:41:31,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812855862] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 22:41:31,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 22:41:31,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-23 22:41:31,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985424441] [2023-11-23 22:41:31,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 22:41:31,430 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-23 22:41:31,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 22:41:31,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-23 22:41:31,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-23 22:41:31,467 INFO L87 Difference]: Start difference. First operand 31 states and 35 transitions. cyclomatic complexity: 6 Second operand has 7 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-23 22:41:31,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 22:41:31,565 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2023-11-23 22:41:31,565 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 38 transitions. [2023-11-23 22:41:31,574 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 22:41:31,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 21 states and 23 transitions. [2023-11-23 22:41:31,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2023-11-23 22:41:31,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-23 22:41:31,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2023-11-23 22:41:31,579 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-23 22:41:31,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-23 22:41:31,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2023-11-23 22:41:31,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-23 22:41:31,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-23 22:41:31,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-23 22:41:31,585 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-23 22:41:31,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-23 22:41:31,587 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-23 22:41:31,588 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-23 22:41:31,588 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2023-11-23 22:41:31,590 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-23 22:41:31,590 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-23 22:41:31,590 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-23 22:41:31,592 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 22:41:31,592 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-23 22:41:31,592 INFO L748 eck$LassoCheckResult]: Stem: 304#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet8#1, main_#t~ret9#1.base, main_#t~ret9#1.offset, main_#t~ret10#1.base, main_#t~ret10#1.offset, main_~length~1#1, main_~original~0#1.base, main_~original~0#1.offset, main_~res~0#1.base, main_~res~0#1.offset;havoc main_#t~nondet8#1;main_~length~1#1 := main_#t~nondet8#1;havoc main_#t~nondet8#1; 292#L43 assume !(main_~length~1#1 < 1); 293#L43-2 assume { :begin_inline_build_nondet_String } true;build_nondet_String_#in~length#1 := main_~length~1#1;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length#1 := build_nondet_String_#in~length#1;call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int#0(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 291#build_nondet_String_returnLabel#1 main_#t~ret9#1.base, main_#t~ret9#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;havoc build_nondet_String_#in~length#1;assume { :end_inline_build_nondet_String } true;main_~original~0#1.base, main_~original~0#1.offset := main_#t~ret9#1.base, main_#t~ret9#1.offset;havoc main_#t~ret9#1.base, main_#t~ret9#1.offset;assume { :begin_inline_rec_strcopy } true;rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset := main_~original~0#1.base, main_~original~0#1.offset;havoc rec_strcopy_#res#1.base, rec_strcopy_#res#1.offset;havoc rec_strcopy_#t~ret6#1, rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset, rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~length~0#1, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset;rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset := rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset; 290#L34 call rec_strcopy_#t~ret6#1 := rec_cstrlen(rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset);< 301#$Ultimate##0 ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int#0(~s.base, ~s.offset, 1); 289#L17 assume !(0 == #t~mem2);havoc #t~mem2; 287#L20 call #t~ret3 := rec_cstrlen(~s.base, 1 + ~s.offset);< 294#$Ultimate##0 ~s.base, ~s.offset := #in~s.base, #in~s.offset;call #t~mem2 := read~int#0(~s.base, ~s.offset, 1); 286#L17 assume 0 == #t~mem2;havoc #t~mem2;#res := 0; 288#rec_cstrlenFINAL assume true; 302#rec_cstrlenEXIT >#45#return; 298#L20-1 #res := 1 + #t~ret3;havoc #t~ret3; 299#rec_cstrlenFINAL assume true; 306#rec_cstrlenEXIT >#41#return; 303#L34-1 rec_strcopy_~length~0#1 := rec_strcopy_#t~ret6#1;havoc rec_strcopy_#t~ret6#1;call rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset := #Ultimate.allocOnHeap((1 + rec_strcopy_~length~0#1) % 18446744073709551616);rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset := rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset;havoc rec_strcopy_#t~malloc7#1.base, rec_strcopy_#t~malloc7#1.offset; 296#L36 call rec_strcopy_helper(rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset);< 297#$Ultimate##0 [2023-11-23 22:41:31,593 INFO L750 eck$LassoCheckResult]: Loop: 297#$Ultimate##0 ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem4 := read~int#0(~source.base, ~source.offset, 1);call write~int#1(#t~mem4, ~dest.base, ~dest.offset, 1);havoc #t~mem4;call #t~mem5 := read~int#0(~source.base, ~source.offset, 1); 305#L28 assume 0 != #t~mem5;havoc #t~mem5; 300#L29 call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 297#$Ultimate##0 [2023-11-23 22:41:31,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:31,594 INFO L85 PathProgramCache]: Analyzing trace with hash -462834206, now seen corresponding path program 1 times [2023-11-23 22:41:31,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:31,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [859108573] [2023-11-23 22:41:31,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:31,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:31,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:31,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:31,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:31,672 INFO L85 PathProgramCache]: Analyzing trace with hash 29922, now seen corresponding path program 2 times [2023-11-23 22:41:31,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:31,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49364444] [2023-11-23 22:41:31,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:31,679 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:31,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:31,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:31,688 INFO L85 PathProgramCache]: Analyzing trace with hash -1448810655, now seen corresponding path program 1 times [2023-11-23 22:41:31,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 22:41:31,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188641553] [2023-11-23 22:41:31,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 22:41:31,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 22:41:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:31,734 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 22:41:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 22:41:31,796 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 22:41:33,780 INFO L210 LassoAnalysis]: Preferences: [2023-11-23 22:41:33,780 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-23 22:41:33,780 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-23 22:41:33,781 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-23 22:41:33,781 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-23 22:41:33,781 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:33,781 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-23 22:41:33,781 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-23 22:41:33,781 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strcopy_malloc2.i_Iteration4_Lasso [2023-11-23 22:41:33,781 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-23 22:41:33,781 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-23 22:41:33,789 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,799 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,816 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,820 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,827 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,831 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,835 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,842 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,847 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:33,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,371 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,383 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,388 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-23 22:41:34,936 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-23 22:41:34,936 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-23 22:41:34,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:34,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:34,939 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:34,947 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 [2023-11-23 22:41:34,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-23 22:41:34,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:34,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:34,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:34,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:34,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:34,964 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:34,964 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:34,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:34,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,002 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,010 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 [2023-11-23 22:41:35,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-23 22:41:35,025 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,025 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,026 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,026 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,026 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,027 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,044 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,070 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,071 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,074 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 [2023-11-23 22:41:35,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-23 22:41:35,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,089 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,090 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,090 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,090 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,099 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,129 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,140 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 [2023-11-23 22:41:35,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-23 22:41:35,155 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,155 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,156 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,156 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,156 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,156 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,157 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,192 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,194 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,203 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 [2023-11-23 22:41:35,217 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-23 22:41:35,217 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,218 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,218 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,218 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,218 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,219 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,248 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,274 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,276 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,282 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 [2023-11-23 22:41:35,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-23 22:41:35,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,299 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,299 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,308 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,338 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,341 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 [2023-11-23 22:41:35,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-23 22:41:35,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,357 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,357 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,357 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,358 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,358 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,375 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,403 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,406 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 [2023-11-23 22:41:35,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-23 22:41:35,421 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,422 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,422 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,422 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,422 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,423 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,423 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,441 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-23 22:41:35,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,456 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,460 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 [2023-11-23 22:41:35,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-23 22:41:35,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,475 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-23 22:41:35,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,510 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-23 22:41:35,512 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 [2023-11-23 22:41:35,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,524 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,524 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,524 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,524 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,542 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-23 22:41:35,545 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 [2023-11-23 22:41:35,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,557 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,557 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-23 22:41:35,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,575 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-23 22:41:35,576 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 [2023-11-23 22:41:35,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,591 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-23 22:41:35,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,609 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-23 22:41:35,610 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 [2023-11-23 22:41:35,621 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,622 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,622 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,622 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,622 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,684 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,689 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 [2023-11-23 22:41:35,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-23 22:41:35,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,704 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,704 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,704 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,705 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,705 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-23 22:41:35,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,737 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,740 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 [2023-11-23 22:41:35,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-23 22:41:35,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-23 22:41:35,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:35,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,752 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-23 22:41:35,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-23 22:41:35,754 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,770 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-23 22:41:35,773 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 [2023-11-23 22:41:35,785 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,785 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-23 22:41:35,785 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:35,785 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,794 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-23 22:41:35,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:41:35,824 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,848 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-23 22:41:35,853 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-23 22:41:35,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:35,868 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2023-11-23 22:41:35,868 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-23 22:41:35,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:35,907 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2023-11-23 22:41:35,907 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-23 22:41:35,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:35,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:35,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:35,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:35,980 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:35,988 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 [2023-11-23 22:41:36,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-23 22:41:36,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:36,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:36,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:36,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:36,014 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:41:36,014 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:41:36,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-23 22:41:36,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:36,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:36,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:36,062 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:36,065 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 [2023-11-23 22:41:36,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-23 22:41:36,079 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-23 22:41:36,079 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-23 22:41:36,079 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-23 22:41:36,079 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-23 22:41:36,083 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-23 22:41:36,084 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-23 22:41:36,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-23 22:41:36,124 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-23 22:41:36,125 INFO L444 ModelExtractionUtils]: 2 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-23 22:41:36,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-23 22:41:36,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 22:41:36,126 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-23 22:41:36,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-23 22:41:36,128 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-23 22:41:36,141 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-23 22:41:36,141 INFO L513 LassoAnalysis]: Proved termination. [2023-11-23 22:41:36,141 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(rec_strcopy_helper_#in~source.offset, v_rep(select #length rec_strcopy_helper_#in~source.base)_1) = -1*rec_strcopy_helper_#in~source.offset + 1*v_rep(select #length rec_strcopy_helper_#in~source.base)_1 Supporting invariants [] [2023-11-23 22:41:36,155 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-23 22:41:36,170 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-23 22:41:36,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~source!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-23 22:41:36,172 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#in~source!base] could not be translated [2023-11-23 22:41:36,198 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 22:41:36,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-23 22:41:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:36,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 22:41:36,298 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:41:36,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 22:41:36,505 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 22:41:36,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 22:41:36,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 22:41:36,537 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 [2023-11-23 22:41:36,537 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:41:36,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 23 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 33 states and 36 transitions. Complement of second has 9 states. [2023-11-23 22:41:36,622 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 [2023-11-23 22:41:36,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 3 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-23 22:41:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2023-11-23 22:41:36,624 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 3 letters. [2023-11-23 22:41:36,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:41:36,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 21 letters. Loop has 3 letters. [2023-11-23 22:41:36,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:41:36,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 18 letters. Loop has 6 letters. [2023-11-23 22:41:36,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-23 22:41:36,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 36 transitions. [2023-11-23 22:41:36,627 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 22:41:36,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2023-11-23 22:41:36,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-23 22:41:36,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-23 22:41:36,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-23 22:41:36,628 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-23 22:41:36,628 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:41:36,628 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:41:36,629 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 22:41:36,629 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-23 22:41:36,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-23 22:41:36,629 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-23 22:41:36,629 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-23 22:41:36,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 10:41:36 BoogieIcfgContainer [2023-11-23 22:41:36,638 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-23 22:41:36,639 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 22:41:36,639 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 22:41:36,639 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 22:41:36,640 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 10:41:26" (3/4) ... [2023-11-23 22:41:36,642 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 22:41:36,644 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 22:41:36,645 INFO L158 Benchmark]: Toolchain (without parser) took 10547.50ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 118.6MB in the beginning and 175.0MB in the end (delta: -56.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2023-11-23 22:41:36,645 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:41:36,645 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.69ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 108.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 22:41:36,646 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.39ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 106.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:41:36,646 INFO L158 Benchmark]: Boogie Preprocessor took 42.32ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 104.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 22:41:36,647 INFO L158 Benchmark]: RCFGBuilder took 454.51ms. Allocated memory is still 161.5MB. Free memory was 104.7MB in the beginning and 92.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 22:41:36,647 INFO L158 Benchmark]: BuchiAutomizer took 9745.73ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 92.8MB in the beginning and 175.0MB in the end (delta: -82.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:41:36,647 INFO L158 Benchmark]: Witness Printer took 5.11ms. Allocated memory is still 234.9MB. Free memory is still 175.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 22:41:36,650 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 111.1MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.69ms. Allocated memory is still 161.5MB. Free memory was 118.4MB in the beginning and 108.4MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.39ms. Allocated memory is still 161.5MB. Free memory was 108.4MB in the beginning and 106.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.32ms. Allocated memory is still 161.5MB. Free memory was 106.6MB in the beginning and 104.7MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 454.51ms. Allocated memory is still 161.5MB. Free memory was 104.7MB in the beginning and 92.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 9745.73ms. Allocated memory was 161.5MB in the beginning and 234.9MB in the end (delta: 73.4MB). Free memory was 92.8MB in the beginning and 175.0MB in the end (delta: -82.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.11ms. Allocated memory is still 234.9MB. Free memory is still 175.0MB. 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[#in~s!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~s!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~source!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#in~source!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 3 locations. One deterministic module has affine ranking function null and consists of 4 locations. 2 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 9.6s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 8.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 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, 47 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 286 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 208 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 110 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 78 mSDtfsCounter, 110 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital155 mio100 ax100 hnf100 lsp100 ukn69 mio100 lsp37 div100 bol100 ite100 ukn100 eq180 hnf91 smp100 dnf137 smp100 tf100 neg100 sie103 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 104ms VariablesStem: 6 VariablesLoop: 8 DisjunctsStem: 2 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 20 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! [2023-11-23 22:41:36,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d7af140c-8299-4d2b-833f-12e2e8b49937/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE