./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 01:33:05,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 01:33:05,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 01:33:05,577 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 01:33:05,578 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 01:33:05,601 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 01:33:05,602 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 01:33:05,602 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 01:33:05,603 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 01:33:05,603 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 01:33:05,604 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 01:33:05,605 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 01:33:05,605 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 01:33:05,606 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 01:33:05,606 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 01:33:05,607 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 01:33:05,607 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 01:33:05,608 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 01:33:05,608 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 01:33:05,609 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 01:33:05,609 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 01:33:05,610 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 01:33:05,611 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 01:33:05,611 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 01:33:05,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 01:33:05,612 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 01:33:05,612 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 01:33:05,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 01:33:05,613 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 01:33:05,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 01:33:05,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 01:33:05,614 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 01:33:05,615 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 01:33:05,615 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 01:33:05,615 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 01:33:05,616 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 01:33:05,616 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 01:33:05,616 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 01:33:05,617 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_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f22afdea3888c472e42c0b4bee511704d4ceb9c1e2d9f4db0ce5ffbd6de758f0 [2023-11-29 01:33:05,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 01:33:05,828 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 01:33:05,831 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 01:33:05,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 01:33:05,832 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 01:33:05,833 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2023-11-29 01:33:08,712 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 01:33:08,911 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 01:33:08,911 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/sv-benchmarks/c/array-memsafety/openbsd_cstpcpy-alloca-1.i [2023-11-29 01:33:08,923 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/data/70e37ae69/ee9496bf2c444c4aa0a9ca86adad1295/FLAGb7ce6f74e [2023-11-29 01:33:08,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/data/70e37ae69/ee9496bf2c444c4aa0a9ca86adad1295 [2023-11-29 01:33:08,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 01:33:08,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 01:33:08,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 01:33:08,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 01:33:08,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 01:33:08,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:33:08" (1/1) ... [2023-11-29 01:33:08,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ca34d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:08, skipping insertion in model container [2023-11-29 01:33:08,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 01:33:08" (1/1) ... [2023-11-29 01:33:08,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 01:33:09,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:33:09,242 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 01:33:09,276 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 01:33:09,304 INFO L206 MainTranslator]: Completed translation [2023-11-29 01:33:09,305 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09 WrapperNode [2023-11-29 01:33:09,305 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 01:33:09,306 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 01:33:09,306 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 01:33:09,306 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 01:33:09,313 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,325 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,347 INFO L138 Inliner]: procedures = 117, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64 [2023-11-29 01:33:09,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 01:33:09,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 01:33:09,348 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 01:33:09,348 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 01:33:09,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,362 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,376 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [1, 3]. 75 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 3 writes are split as follows [1, 2]. [2023-11-29 01:33:09,377 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,377 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,386 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,389 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,391 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 01:33:09,392 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 01:33:09,392 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 01:33:09,392 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 01:33:09,393 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (1/1) ... [2023-11-29 01:33:09,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:09,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:09,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:09,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 01:33:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 01:33:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 01:33:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 01:33:09,458 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 01:33:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 01:33:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 01:33:09,459 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 01:33:09,459 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 01:33:09,569 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 01:33:09,571 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 01:33:09,696 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 01:33:09,705 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 01:33:09,705 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 01:33:09,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:33:09 BoogieIcfgContainer [2023-11-29 01:33:09,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 01:33:09,707 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 01:33:09,708 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 01:33:09,711 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 01:33:09,712 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:33:09,712 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 01:33:08" (1/3) ... [2023-11-29 01:33:09,713 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a5d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:33:09, skipping insertion in model container [2023-11-29 01:33:09,713 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:33:09,713 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 01:33:09" (2/3) ... [2023-11-29 01:33:09,714 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@23a5d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 01:33:09, skipping insertion in model container [2023-11-29 01:33:09,714 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 01:33:09,714 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:33:09" (3/3) ... [2023-11-29 01:33:09,715 INFO L332 chiAutomizerObserver]: Analyzing ICFG openbsd_cstpcpy-alloca-1.i [2023-11-29 01:33:09,773 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 01:33:09,774 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 01:33:09,774 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 01:33:09,774 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 01:33:09,774 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 01:33:09,774 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 01:33:09,774 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 01:33:09,774 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 01:33:09,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:09,796 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 01:33:09,796 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:33:09,796 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:33:09,802 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 01:33:09,802 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:33:09,802 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 01:33:09,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:09,804 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-29 01:33:09,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:33:09,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:33:09,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2023-11-29 01:33:09,805 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-29 01:33:09,812 INFO L748 eck$LassoCheckResult]: Stem: 14#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 10#L521true assume !(main_~length1~0#1 < 1); 6#L521-2true assume !(main_~length2~0#1 < 1); 9#L524-1true assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 3#L531-3true [2023-11-29 01:33:09,812 INFO L750 eck$LassoCheckResult]: Loop: 3#L531-3true assume !!(main_~i~0#1 < main_~length2~0#1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 12#L531-2true main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3#L531-3true [2023-11-29 01:33:09,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:09,818 INFO L85 PathProgramCache]: Analyzing trace with hash 28695882, now seen corresponding path program 1 times [2023-11-29 01:33:09,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:09,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [439651673] [2023-11-29 01:33:09,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:09,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:09,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:09,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:09,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:09,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1827, now seen corresponding path program 1 times [2023-11-29 01:33:09,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:09,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135778886] [2023-11-29 01:33:09,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:09,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:09,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:09,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:10,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:10,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:10,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939692, now seen corresponding path program 1 times [2023-11-29 01:33:10,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:10,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119217299] [2023-11-29 01:33:10,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:10,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:10,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:10,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:10,492 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:33:10,492 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:33:10,492 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:33:10,493 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:33:10,493 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:33:10,493 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:10,493 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:33:10,493 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:33:10,493 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpcpy-alloca-1.i_Iteration1_Lasso [2023-11-29 01:33:10,493 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:33:10,494 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:33:10,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,520 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,524 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,527 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,530 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,764 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,773 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,779 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:10,782 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:11,232 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:33:11,237 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:33:11,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,242 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-29 01:33:11,252 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:11,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,263 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:11,263 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:11,266 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:11,275 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:11,280 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:11,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,281 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-29 01:33:11,284 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:11,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,299 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:11,299 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:11,303 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:11,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2023-11-29 01:33:11,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,308 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-29 01:33:11,312 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:11,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:11,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:11,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:11,325 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:11,328 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2023-11-29 01:33:11,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,330 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,332 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-29 01:33:11,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:11,346 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:11,350 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:11,355 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:11,359 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-29 01:33:11,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,363 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 01:33:11,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:11,378 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,386 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:11,386 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:11,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:11,399 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2023-11-29 01:33:11,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,401 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 01:33:11,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:11,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:11,421 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:11,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:11,429 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 01:33:11,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,431 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 01:33:11,436 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:11,448 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:11,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,449 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,449 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:11,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:11,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:11,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 01:33:11,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,457 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 01:33:11,460 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 [2023-11-29 01:33:11,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,473 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,473 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,475 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:11,475 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:11,480 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:11,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 01:33:11,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,489 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 01:33:11,492 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:11,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:11,503 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:11,503 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:11,503 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:11,514 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:11,514 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:11,530 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:33:11,587 INFO L443 ModelExtractionUtils]: Simplification made 17 calls to the SMT solver. [2023-11-29 01:33:11,587 INFO L444 ModelExtractionUtils]: 5 out of 25 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-29 01:33:11,589 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:11,589 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:11,620 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:11,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 01:33:11,624 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:33:11,635 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-29 01:33:11,635 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:33:11,636 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1, v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1) = -1*ULTIMATE.start_main_~i~0#1 + 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 Supporting invariants [1*ULTIMATE.start_main_~nondetString~0#1.offset >= 0] [2023-11-29 01:33:11,639 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 01:33:11,665 INFO L156 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2023-11-29 01:33:11,682 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated [2023-11-29 01:33:11,708 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:11,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:33:11,728 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:11,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-29 01:33:11,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:11,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:11,806 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 01:33:11,808 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:11,877 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 31 states and 41 transitions. Complement of second has 8 states. [2023-11-29 01:33:11,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-29 01:33:11,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:11,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 24 transitions. [2023-11-29 01:33:11,884 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 5 letters. Loop has 2 letters. [2023-11-29 01:33:11,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:33:11,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-29 01:33:11,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:33:11,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 24 transitions. Stem has 5 letters. Loop has 4 letters. [2023-11-29 01:33:11,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:33:11,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 31 states and 41 transitions. [2023-11-29 01:33:11,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 01:33:11,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 31 states to 12 states and 16 transitions. [2023-11-29 01:33:11,892 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-29 01:33:11,892 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-29 01:33:11,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2023-11-29 01:33:11,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:11,893 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-29 01:33:11,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2023-11-29 01:33:11,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-29 01:33:11,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:11,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2023-11-29 01:33:11,911 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-29 01:33:11,911 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-29 01:33:11,911 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 01:33:11,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2023-11-29 01:33:11,912 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 01:33:11,912 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:33:11,912 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:33:11,913 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:11,913 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:33:11,913 INFO L748 eck$LassoCheckResult]: Stem: 134#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 135#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 139#L521 assume !(main_~length1~0#1 < 1); 137#L521-2 assume !(main_~length2~0#1 < 1); 138#L524-1 assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 128#L531-3 assume !(main_~i~0#1 < main_~length2~0#1); 129#L531-4 havoc main_~i~0#1;call write~int#1(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstpcpy } true;cstpcpy_#in~to#1.base, cstpcpy_#in~to#1.offset, cstpcpy_#in~from#1.base, cstpcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstpcpy_#res#1.base, cstpcpy_#res#1.offset;havoc cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset, cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset, cstpcpy_#t~mem4#1, cstpcpy_~to#1.base, cstpcpy_~to#1.offset, cstpcpy_~from#1.base, cstpcpy_~from#1.offset;cstpcpy_~to#1.base, cstpcpy_~to#1.offset := cstpcpy_#in~to#1.base, cstpcpy_#in~to#1.offset;cstpcpy_~from#1.base, cstpcpy_~from#1.offset := cstpcpy_#in~from#1.base, cstpcpy_#in~from#1.offset; 136#L515-4 [2023-11-29 01:33:11,913 INFO L750 eck$LassoCheckResult]: Loop: 136#L515-4 call cstpcpy_#t~mem4#1 := read~int#1(cstpcpy_~from#1.base, cstpcpy_~from#1.offset, 1);call write~int#0(cstpcpy_#t~mem4#1, cstpcpy_~to#1.base, cstpcpy_~to#1.offset, 1); 132#L515-1 assume !!(0 != cstpcpy_#t~mem4#1);havoc cstpcpy_#t~mem4#1; 133#L515-3 cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset := cstpcpy_~from#1.base, 1 + cstpcpy_~from#1.offset;cstpcpy_~from#1.base, cstpcpy_~from#1.offset := cstpcpy_~from#1.base, 1 + cstpcpy_~from#1.offset;havoc cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset;cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset := cstpcpy_~to#1.base, 1 + cstpcpy_~to#1.offset;cstpcpy_~to#1.base, cstpcpy_~to#1.offset := cstpcpy_~to#1.base, 1 + cstpcpy_~to#1.offset;havoc cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset; 136#L515-4 [2023-11-29 01:33:11,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:11,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1806939634, now seen corresponding path program 1 times [2023-11-29 01:33:11,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:11,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [708030113] [2023-11-29 01:33:11,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:11,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:12,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:12,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [708030113] [2023-11-29 01:33:12,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [708030113] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 01:33:12,014 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 01:33:12,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 01:33:12,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726488636] [2023-11-29 01:33:12,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 01:33:12,017 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-29 01:33:12,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:12,018 INFO L85 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 1 times [2023-11-29 01:33:12,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066774601] [2023-11-29 01:33:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:12,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:12,028 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:12,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:12,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:12,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 01:33:12,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-29 01:33:12,137 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:12,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:33:12,160 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2023-11-29 01:33:12,160 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2023-11-29 01:33:12,161 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 01:33:12,161 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2023-11-29 01:33:12,161 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-29 01:33:12,161 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-29 01:33:12,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2023-11-29 01:33:12,162 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:12,162 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-29 01:33:12,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2023-11-29 01:33:12,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-29 01:33:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2023-11-29 01:33:12,164 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-29 01:33:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 01:33:12,165 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-29 01:33:12,165 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 01:33:12,165 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2023-11-29 01:33:12,166 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 01:33:12,166 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:33:12,166 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:33:12,166 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:12,167 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:33:12,167 INFO L748 eck$LassoCheckResult]: Stem: 166#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 167#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 171#L521 assume !(main_~length1~0#1 < 1); 169#L521-2 assume !(main_~length2~0#1 < 1); 170#L524-1 assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 160#L531-3 assume !!(main_~i~0#1 < main_~length2~0#1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 161#L531-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 162#L531-3 assume !(main_~i~0#1 < main_~length2~0#1); 163#L531-4 havoc main_~i~0#1;call write~int#1(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstpcpy } true;cstpcpy_#in~to#1.base, cstpcpy_#in~to#1.offset, cstpcpy_#in~from#1.base, cstpcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstpcpy_#res#1.base, cstpcpy_#res#1.offset;havoc cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset, cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset, cstpcpy_#t~mem4#1, cstpcpy_~to#1.base, cstpcpy_~to#1.offset, cstpcpy_~from#1.base, cstpcpy_~from#1.offset;cstpcpy_~to#1.base, cstpcpy_~to#1.offset := cstpcpy_#in~to#1.base, cstpcpy_#in~to#1.offset;cstpcpy_~from#1.base, cstpcpy_~from#1.offset := cstpcpy_#in~from#1.base, cstpcpy_#in~from#1.offset; 168#L515-4 [2023-11-29 01:33:12,167 INFO L750 eck$LassoCheckResult]: Loop: 168#L515-4 call cstpcpy_#t~mem4#1 := read~int#1(cstpcpy_~from#1.base, cstpcpy_~from#1.offset, 1);call write~int#0(cstpcpy_#t~mem4#1, cstpcpy_~to#1.base, cstpcpy_~to#1.offset, 1); 164#L515-1 assume !!(0 != cstpcpy_#t~mem4#1);havoc cstpcpy_#t~mem4#1; 165#L515-3 cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset := cstpcpy_~from#1.base, 1 + cstpcpy_~from#1.offset;cstpcpy_~from#1.base, cstpcpy_~from#1.offset := cstpcpy_~from#1.base, 1 + cstpcpy_~from#1.offset;havoc cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset;cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset := cstpcpy_~to#1.base, 1 + cstpcpy_~to#1.offset;cstpcpy_~to#1.base, cstpcpy_~to#1.offset := cstpcpy_~to#1.base, 1 + cstpcpy_~to#1.offset;havoc cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset; 168#L515-4 [2023-11-29 01:33:12,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:12,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1302257236, now seen corresponding path program 1 times [2023-11-29 01:33:12,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:12,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988214961] [2023-11-29 01:33:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:12,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:12,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:12,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:12,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:12,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:12,206 INFO L85 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 2 times [2023-11-29 01:33:12,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:12,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807367535] [2023-11-29 01:33:12,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:12,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:12,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:12,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:12,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:12,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:12,220 INFO L85 PathProgramCache]: Analyzing trace with hash -894230189, now seen corresponding path program 1 times [2023-11-29 01:33:12,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:12,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759666975] [2023-11-29 01:33:12,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:12,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:12,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 01:33:12,510 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:12,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 01:33:12,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759666975] [2023-11-29 01:33:12,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759666975] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 01:33:12,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124391736] [2023-11-29 01:33:12,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:12,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 01:33:12,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:12,512 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 01:33:12,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-29 01:33:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:12,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 01:33:12,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:12,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 01:33:12,737 INFO L173 IndexEqualityManager]: detected equality via solver [2023-11-29 01:33:12,740 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 01:33:12,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 10 [2023-11-29 01:33:12,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:12,745 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 01:33:12,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-11-29 01:33:12,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2023-11-29 01:33:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:12,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124391736] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 01:33:12,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 01:33:12,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2023-11-29 01:33:12,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813528444] [2023-11-29 01:33:12,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 01:33:13,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 01:33:13,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 01:33:13,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2023-11-29 01:33:13,040 INFO L87 Difference]: Start difference. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 16 states, 16 states have (on average 1.5) internal successors, (24), 16 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:13,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 01:33:13,218 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2023-11-29 01:33:13,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2023-11-29 01:33:13,219 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 01:33:13,219 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 15 states and 18 transitions. [2023-11-29 01:33:13,219 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-29 01:33:13,219 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-29 01:33:13,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 18 transitions. [2023-11-29 01:33:13,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:13,220 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 18 transitions. [2023-11-29 01:33:13,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 18 transitions. [2023-11-29 01:33:13,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 14. [2023-11-29 01:33:13,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.2142857142857142) internal successors, (17), 13 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:13,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 17 transitions. [2023-11-29 01:33:13,222 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-29 01:33:13,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 01:33:13,223 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 17 transitions. [2023-11-29 01:33:13,223 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 01:33:13,223 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 17 transitions. [2023-11-29 01:33:13,224 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 01:33:13,224 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 01:33:13,224 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 01:33:13,225 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 01:33:13,225 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 01:33:13,225 INFO L748 eck$LassoCheckResult]: Stem: 293#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 294#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~nondet6#1, main_#t~malloc7#1.base, main_#t~malloc7#1.offset, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~i~0#1, main_#t~ret11#1.base, main_#t~ret11#1.offset, main_~length1~0#1, main_~length2~0#1, main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc main_#t~nondet5#1;main_~length1~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1;havoc main_#t~nondet6#1;main_~length2~0#1 := main_#t~nondet6#1;havoc main_#t~nondet6#1; 299#L521 assume !(main_~length1~0#1 < 1); 296#L521-2 assume !(main_~length2~0#1 < 1); 297#L524-1 assume !(main_~length1~0#1 < main_~length2~0#1);call main_#t~malloc7#1.base, main_#t~malloc7#1.offset := #Ultimate.allocOnStack(main_~length1~0#1 % 4294967296);main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset := main_#t~malloc7#1.base, main_#t~malloc7#1.offset;call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(main_~length2~0#1 % 4294967296);main_~nondetString~0#1.base, main_~nondetString~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~i~0#1 := 0; 287#L531-3 assume !!(main_~i~0#1 < main_~length2~0#1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 288#L531-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 289#L531-3 assume !!(main_~i~0#1 < main_~length2~0#1);havoc main_#t~nondet10#1;call write~int#1(main_#t~nondet10#1, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + main_~i~0#1, 1);havoc main_#t~nondet10#1; 290#L531-2 main_#t~post9#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 300#L531-3 assume !(main_~i~0#1 < main_~length2~0#1); 298#L531-4 havoc main_~i~0#1;call write~int#1(0, main_~nondetString~0#1.base, main_~nondetString~0#1.offset + (main_~length2~0#1 - 1), 1);assume { :begin_inline_cstpcpy } true;cstpcpy_#in~to#1.base, cstpcpy_#in~to#1.offset, cstpcpy_#in~from#1.base, cstpcpy_#in~from#1.offset := main_~nondetArea~0#1.base, main_~nondetArea~0#1.offset, main_~nondetString~0#1.base, main_~nondetString~0#1.offset;havoc cstpcpy_#res#1.base, cstpcpy_#res#1.offset;havoc cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset, cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset, cstpcpy_#t~mem4#1, cstpcpy_~to#1.base, cstpcpy_~to#1.offset, cstpcpy_~from#1.base, cstpcpy_~from#1.offset;cstpcpy_~to#1.base, cstpcpy_~to#1.offset := cstpcpy_#in~to#1.base, cstpcpy_#in~to#1.offset;cstpcpy_~from#1.base, cstpcpy_~from#1.offset := cstpcpy_#in~from#1.base, cstpcpy_#in~from#1.offset; 295#L515-4 [2023-11-29 01:33:13,225 INFO L750 eck$LassoCheckResult]: Loop: 295#L515-4 call cstpcpy_#t~mem4#1 := read~int#1(cstpcpy_~from#1.base, cstpcpy_~from#1.offset, 1);call write~int#0(cstpcpy_#t~mem4#1, cstpcpy_~to#1.base, cstpcpy_~to#1.offset, 1); 291#L515-1 assume !!(0 != cstpcpy_#t~mem4#1);havoc cstpcpy_#t~mem4#1; 292#L515-3 cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset := cstpcpy_~from#1.base, 1 + cstpcpy_~from#1.offset;cstpcpy_~from#1.base, cstpcpy_~from#1.offset := cstpcpy_~from#1.base, 1 + cstpcpy_~from#1.offset;havoc cstpcpy_#t~pre2#1.base, cstpcpy_#t~pre2#1.offset;cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset := cstpcpy_~to#1.base, 1 + cstpcpy_~to#1.offset;cstpcpy_~to#1.base, cstpcpy_~to#1.offset := cstpcpy_~to#1.base, 1 + cstpcpy_~to#1.offset;havoc cstpcpy_#t~pre3#1.base, cstpcpy_#t~pre3#1.offset; 295#L515-4 [2023-11-29 01:33:13,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:13,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1633777206, now seen corresponding path program 2 times [2023-11-29 01:33:13,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:13,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1108567102] [2023-11-29 01:33:13,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:13,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:13,242 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:13,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:13,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:13,254 INFO L85 PathProgramCache]: Analyzing trace with hash 66694, now seen corresponding path program 3 times [2023-11-29 01:33:13,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:13,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661796568] [2023-11-29 01:33:13,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:13,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:13,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:13,259 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:13,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:13,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:13,264 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:13,264 INFO L85 PathProgramCache]: Analyzing trace with hash 1287382577, now seen corresponding path program 2 times [2023-11-29 01:33:13,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 01:33:13,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417443089] [2023-11-29 01:33:13,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 01:33:13,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 01:33:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:13,284 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 01:33:13,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 01:33:13,302 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 01:33:14,196 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 01:33:14,196 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 01:33:14,196 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 01:33:14,196 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 01:33:14,197 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 01:33:14,197 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:14,197 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 01:33:14,197 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 01:33:14,197 INFO L133 ssoRankerPreferences]: Filename of dumped script: openbsd_cstpcpy-alloca-1.i_Iteration4_Lasso [2023-11-29 01:33:14,197 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 01:33:14,197 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 01:33:14,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,204 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,206 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,210 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,213 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,217 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,229 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,231 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,233 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,239 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,249 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,251 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:14,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 01:33:15,168 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 01:33:15,168 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 01:33:15,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,169 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,171 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 01:33:15,172 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,182 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,183 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,183 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,184 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 01:33:15,187 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,188 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 01:33:15,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,200 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,201 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,202 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:15,202 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:15,205 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,208 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 01:33:15,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,209 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 01:33:15,211 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,221 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,221 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,221 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,222 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,222 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,223 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 01:33:15,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,227 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 01:33:15,230 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,240 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,241 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,242 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,244 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 01:33:15,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,245 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,246 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 01:33:15,248 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,257 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,258 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,259 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:15,259 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:15,262 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2023-11-29 01:33:15,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,265 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 01:33:15,268 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,277 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,278 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,278 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,278 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,279 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,282 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 01:33:15,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,283 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 01:33:15,285 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 [2023-11-29 01:33:15,295 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,295 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,295 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,295 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,296 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,296 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 01:33:15,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,304 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 01:33:15,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,318 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,318 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,318 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,318 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:15,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:15,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,326 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 01:33:15,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,327 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 01:33:15,329 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,340 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,340 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,340 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,340 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,341 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:15,341 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:15,344 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:15,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,348 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 01:33:15,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,360 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,360 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,362 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2023-11-29 01:33:15,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,366 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 01:33:15,369 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,379 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,379 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,379 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,379 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:15,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,384 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 01:33:15,387 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,397 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,397 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,397 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,397 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,397 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,397 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,397 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,399 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,401 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 01:33:15,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,403 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 01:33:15,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,417 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,419 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,423 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:15,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,424 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 01:33:15,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,440 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,440 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,442 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,445 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 01:33:15,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,446 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 01:33:15,449 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,461 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,461 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,461 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,461 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,461 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,462 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,462 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 01:33:15,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,466 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,467 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 01:33:15,471 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,484 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:15,484 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:15,487 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:15,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,491 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 01:33:15,493 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,503 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,503 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,504 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,504 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,504 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,504 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,504 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,505 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-29 01:33:15,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,514 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 01:33:15,516 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,529 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,530 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:15,530 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:15,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,537 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 01:33:15,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,538 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 01:33:15,540 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,550 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,551 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,551 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,551 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,551 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,551 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,557 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 01:33:15,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,557 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,558 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 01:33:15,560 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,573 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,573 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,577 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 01:33:15,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,578 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 01:33:15,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 01:33:15,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 01:33:15,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 01:33:15,592 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,595 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-29 01:33:15,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,596 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 01:33:15,598 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,608 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,608 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,608 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,608 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,609 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:15,609 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:15,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 01:33:15,616 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-29 01:33:15,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,617 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 01:33:15,619 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 01:33:15,629 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 01:33:15,629 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 01:33:15,629 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 01:33:15,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 01:33:15,634 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 01:33:15,634 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 01:33:15,646 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 01:33:15,663 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-29 01:33:15,663 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-29 01:33:15,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 01:33:15,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 01:33:15,678 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 01:33:15,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 01:33:15,680 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 01:33:15,691 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 01:33:15,691 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 01:33:15,691 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_2, ULTIMATE.start_cstpcpy_~from#1.offset) = 1*v_rep(select #length ULTIMATE.start_main_~nondetString~0#1.base)_2 - 1*ULTIMATE.start_cstpcpy_~from#1.offset Supporting invariants [] [2023-11-29 01:33:15,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 01:33:15,746 INFO L156 tatePredicateManager]: 14 out of 15 supporting invariants were superfluous and have been removed [2023-11-29 01:33:15,748 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expression ~from!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-29 01:33:15,749 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString~0!base] could not be translated [2023-11-29 01:33:15,769 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 01:33:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:15,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-29 01:33:15,793 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 01:33:15,817 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 01:33:15,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 01:33:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 01:33:15,845 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-29 01:33:15,845 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:15,880 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 17 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 21 transitions. Complement of second has 4 states. [2023-11-29 01:33:15,882 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 [2023-11-29 01:33:15,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 01:33:15,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2023-11-29 01:33:15,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 11 letters. Loop has 3 letters. [2023-11-29 01:33:15,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:33:15,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-29 01:33:15,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:33:15,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 11 letters. Loop has 6 letters. [2023-11-29 01:33:15,884 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 01:33:15,884 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2023-11-29 01:33:15,884 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:33:15,885 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 0 states and 0 transitions. [2023-11-29 01:33:15,885 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 01:33:15,885 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 01:33:15,885 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 01:33:15,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 01:33:15,885 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:33:15,885 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:33:15,885 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 01:33:15,885 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 01:33:15,885 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 01:33:15,885 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 01:33:15,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 01:33:15,892 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 01:33:15 BoogieIcfgContainer [2023-11-29 01:33:15,892 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 01:33:15,893 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 01:33:15,893 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 01:33:15,893 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 01:33:15,893 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 01:33:09" (3/4) ... [2023-11-29 01:33:15,895 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 01:33:15,896 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 01:33:15,896 INFO L158 Benchmark]: Toolchain (without parser) took 6959.07ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 113.9MB in the beginning and 129.0MB in the end (delta: -15.1MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-29 01:33:15,897 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:33:15,897 INFO L158 Benchmark]: CACSL2BoogieTranslator took 367.06ms. Allocated memory is still 153.1MB. Free memory was 113.5MB in the beginning and 97.5MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-29 01:33:15,897 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.31ms. Allocated memory is still 153.1MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:33:15,898 INFO L158 Benchmark]: Boogie Preprocessor took 43.79ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 01:33:15,898 INFO L158 Benchmark]: RCFGBuilder took 314.46ms. Allocated memory is still 153.1MB. Free memory was 93.3MB in the beginning and 123.1MB in the end (delta: -29.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-11-29 01:33:15,898 INFO L158 Benchmark]: BuchiAutomizer took 6184.70ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 123.0MB in the beginning and 129.0MB in the end (delta: -6.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. [2023-11-29 01:33:15,898 INFO L158 Benchmark]: Witness Printer took 3.14ms. Allocated memory is still 184.5MB. Free memory is still 129.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 01:33:15,900 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 100.7MB. Free memory is still 51.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 367.06ms. Allocated memory is still 153.1MB. Free memory was 113.5MB in the beginning and 97.5MB in the end (delta: 16.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.31ms. Allocated memory is still 153.1MB. Free memory was 97.1MB in the beginning and 95.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.79ms. Allocated memory is still 153.1MB. Free memory was 95.5MB in the beginning and 93.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 314.46ms. Allocated memory is still 153.1MB. Free memory was 93.3MB in the beginning and 123.1MB in the end (delta: -29.8MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 6184.70ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 123.0MB in the beginning and 129.0MB in the end (delta: -6.0MB). Peak memory consumption was 24.1MB. Max. memory is 16.1GB. * Witness Printer took 3.14ms. Allocated memory is still 184.5MB. Free memory is still 129.0MB. 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[#t~malloc8!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression ~from!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~nondetString~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 16 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 6.1s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 5.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 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, 63 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 56 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 39 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital163 mio100 ax111 hnf100 lsp83 ukn85 mio100 lsp41 div192 bol100 ite100 ukn100 eq153 hnf93 smp69 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 01:33:15,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 01:33:16,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-29 01:33:16,314 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_05c842fa-12f6-4390-9e9c-6c72f6c15c9f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE