./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 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_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4f531da4514da78f664dbd663145b26ee24930c7e93acdc31160c6cc4e4d5de8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:03:21,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:03:21,420 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-12 02:03:21,426 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:03:21,427 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:03:21,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:03:21,453 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:03:21,454 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:03:21,455 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:03:21,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:03:21,456 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:03:21,457 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:03:21,458 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:03:21,458 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:03:21,459 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:03:21,459 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:03:21,460 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:03:21,460 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:03:21,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:03:21,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:03:21,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:03:21,464 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:03:21,464 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:03:21,465 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:03:21,465 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:03:21,465 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:03:21,466 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:03:21,466 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:03:21,467 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:03:21,467 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:03:21,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:03:21,469 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:03:21,470 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:03:21,470 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_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f531da4514da78f664dbd663145b26ee24930c7e93acdc31160c6cc4e4d5de8 [2023-11-12 02:03:21,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:03:21,772 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:03:21,775 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:03:21,777 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:03:21,777 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:03:21,779 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc.i [2023-11-12 02:03:24,939 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:03:25,125 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:03:25,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/sv-benchmarks/c/termination-recursive-malloc/rec_strcopy_malloc.i [2023-11-12 02:03:25,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/data/e4ffd51e0/561beb3ffbb54d76a5100e420194d951/FLAG1a47fd73a [2023-11-12 02:03:25,155 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/data/e4ffd51e0/561beb3ffbb54d76a5100e420194d951 [2023-11-12 02:03:25,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:03:25,168 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:03:25,172 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:25,172 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:03:25,179 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:03:25,180 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,182 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39bfa509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25, skipping insertion in model container [2023-11-12 02:03:25,182 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,207 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:03:25,345 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:25,358 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:03:25,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:03:25,382 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:03:25,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25 WrapperNode [2023-11-12 02:03:25,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:03:25,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:25,384 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:03:25,384 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:03:25,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,399 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,418 INFO L138 Inliner]: procedures = 13, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 32 [2023-11-12 02:03:25,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:03:25,420 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:03:25,420 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:03:25,420 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:03:25,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,429 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,436 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,438 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,439 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,442 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:03:25,443 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:03:25,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:03:25,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:03:25,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (1/1) ... [2023-11-12 02:03:25,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:25,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:25,477 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:25,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:03:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure rec_strcopy_helper [2023-11-12 02:03:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure rec_strcopy_helper [2023-11-12 02:03:25,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:03:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:03:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:03:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:03:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:03:25,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 02:03:25,588 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:03:25,590 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:03:25,743 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:03:25,749 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:03:25,749 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-12 02:03:25,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:25 BoogieIcfgContainer [2023-11-12 02:03:25,751 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:03:25,752 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:03:25,753 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:03:25,757 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:03:25,758 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:03:25,758 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:03:25" (1/3) ... [2023-11-12 02:03:25,759 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d7038b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:03:25, skipping insertion in model container [2023-11-12 02:03:25,759 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:03:25,759 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:03:25" (2/3) ... [2023-11-12 02:03:25,760 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d7038b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:03:25, skipping insertion in model container [2023-11-12 02:03:25,760 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:03:25,760 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:25" (3/3) ... [2023-11-12 02:03:25,761 INFO L332 chiAutomizerObserver]: Analyzing ICFG rec_strcopy_malloc.i [2023-11-12 02:03:25,819 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:03:25,819 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:03:25,819 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:03:25,819 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:03:25,819 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:03:25,819 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:03:25,820 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:03:25,820 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:03:25,824 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:03:25,847 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:03:25,847 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:25,847 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:25,854 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:03:25,854 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:03:25,854 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:03:25,855 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-12 02:03:25,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:03:25,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:25,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:25,858 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:03:25,858 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:03:25,866 INFO L748 eck$LassoCheckResult]: Stem: 12#$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~ret6#1.base, main_#t~ret6#1.offset, main_#t~ret7#1.base, main_#t~ret7#1.offset, main_~length~0#1, main_~original~0#1.base, main_~original~0#1.offset, main_~res~0#1.base, main_~res~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 16#L35true assume main_~length~0#1 < 1;main_~length~0#1 := 1; 13#L35-2true assume { :begin_inline_build_nondet_String } true;build_nondet_String_#in~length#1 := main_~length~0#1;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length#1 := build_nondet_String_#in~length#1;call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 2#build_nondet_String_returnLabel#1true main_#t~ret6#1.base, main_#t~ret6#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;havoc build_nondet_String_#in~length#1;assume { :end_inline_build_nondet_String } true;main_~original~0#1.base, main_~original~0#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;assume { :begin_inline_rec_strcopy } true;rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset, rec_strcopy_#in~length#1 := main_~original~0#1.base, main_~original~0#1.offset, main_~length~0#1;havoc rec_strcopy_#res#1.base, rec_strcopy_#res#1.offset;havoc rec_strcopy_#t~malloc4#1.base, rec_strcopy_#t~malloc4#1.offset, rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~length#1, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset;rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset := rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset;rec_strcopy_~length#1 := rec_strcopy_#in~length#1;call rec_strcopy_#t~malloc4#1.base, rec_strcopy_#t~malloc4#1.offset := #Ultimate.allocOnHeap(rec_strcopy_~length#1 % 18446744073709551616);rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset := rec_strcopy_#t~malloc4#1.base, rec_strcopy_#t~malloc4#1.offset;havoc rec_strcopy_#t~malloc4#1.base, rec_strcopy_#t~malloc4#1.offset; 11#L28true call rec_strcopy_helper(rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset);< 14#$Ultimate##0true [2023-11-12 02:03:25,866 INFO L750 eck$LassoCheckResult]: Loop: 14#$Ultimate##0true ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem2 := read~int(~source.base, ~source.offset, 1);call write~int(#t~mem2, ~dest.base, ~dest.offset, 1);havoc #t~mem2;call #t~mem3 := read~int(~source.base, ~source.offset, 1); 5#L21true assume 0 != #t~mem3;havoc #t~mem3; 15#L22true call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 14#$Ultimate##0true [2023-11-12 02:03:25,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:25,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1155759793, now seen corresponding path program 1 times [2023-11-12 02:03:25,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:25,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291764972] [2023-11-12 02:03:25,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:25,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:26,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:26,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:26,088 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:26,091 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:26,091 INFO L85 PathProgramCache]: Analyzing trace with hash 29912, now seen corresponding path program 1 times [2023-11-12 02:03:26,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:26,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894686630] [2023-11-12 02:03:26,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:26,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:26,112 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:26,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:26,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:26,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1512818648, now seen corresponding path program 1 times [2023-11-12 02:03:26,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:26,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415973292] [2023-11-12 02:03:26,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:26,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:26,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:26,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:26,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:03:26,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415973292] [2023-11-12 02:03:26,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415973292] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:03:26,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:03:26,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 02:03:26,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022583864] [2023-11-12 02:03:26,941 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:03:27,336 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:03:27,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-12 02:03:27,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-12 02:03:27,379 INFO L87 Difference]: Start difference. First operand has 16 states, 12 states have (on average 1.1666666666666667) internal successors, (14), 13 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 7 states, 5 states have (on average 1.4) internal successors, (7), 6 states have internal predecessors, (7), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:27,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:03:27,545 INFO L93 Difference]: Finished difference Result 26 states and 28 transitions. [2023-11-12 02:03:27,547 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 28 transitions. [2023-11-12 02:03:27,552 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:03:27,556 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 9 states and 9 transitions. [2023-11-12 02:03:27,557 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-12 02:03:27,557 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-12 02:03:27,558 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 9 transitions. [2023-11-12 02:03:27,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:03:27,558 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 02:03:27,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 9 transitions. [2023-11-12 02:03:27,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2023-11-12 02:03:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 7 states have (on average 1.0) internal successors, (7), 7 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-12 02:03:27,589 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 02:03:27,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-12 02:03:27,597 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 9 transitions. [2023-11-12 02:03:27,598 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:03:27,598 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 9 transitions. [2023-11-12 02:03:27,600 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:03:27,600 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:03:27,600 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:03:27,601 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-12 02:03:27,601 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:03:27,601 INFO L748 eck$LassoCheckResult]: Stem: 70#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 71#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1, main_#t~ret6#1.base, main_#t~ret6#1.offset, main_#t~ret7#1.base, main_#t~ret7#1.offset, main_~length~0#1, main_~original~0#1.base, main_~original~0#1.offset, main_~res~0#1.base, main_~res~0#1.offset;havoc main_#t~nondet5#1;main_~length~0#1 := main_#t~nondet5#1;havoc main_#t~nondet5#1; 73#L35 assume !(main_~length~0#1 < 1); 72#L35-2 assume { :begin_inline_build_nondet_String } true;build_nondet_String_#in~length#1 := main_~length~0#1;havoc build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;build_nondet_String_~length#1 := build_nondet_String_#in~length#1;call build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset := #Ultimate.allocOnHeap(build_nondet_String_~length#1 % 18446744073709551616);build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset := build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset;call write~int(0, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset + (build_nondet_String_~length#1 - 1), 1);build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset := build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset; 65#build_nondet_String_returnLabel#1 main_#t~ret6#1.base, main_#t~ret6#1.offset := build_nondet_String_#res#1.base, build_nondet_String_#res#1.offset;havoc build_nondet_String_#t~malloc1#1.base, build_nondet_String_#t~malloc1#1.offset, build_nondet_String_~length#1, build_nondet_String_~nondetString~0#1.base, build_nondet_String_~nondetString~0#1.offset;havoc build_nondet_String_#in~length#1;assume { :end_inline_build_nondet_String } true;main_~original~0#1.base, main_~original~0#1.offset := main_#t~ret6#1.base, main_#t~ret6#1.offset;havoc main_#t~ret6#1.base, main_#t~ret6#1.offset;assume { :begin_inline_rec_strcopy } true;rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset, rec_strcopy_#in~length#1 := main_~original~0#1.base, main_~original~0#1.offset, main_~length~0#1;havoc rec_strcopy_#res#1.base, rec_strcopy_#res#1.offset;havoc rec_strcopy_#t~malloc4#1.base, rec_strcopy_#t~malloc4#1.offset, rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~length#1, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset;rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset := rec_strcopy_#in~source#1.base, rec_strcopy_#in~source#1.offset;rec_strcopy_~length#1 := rec_strcopy_#in~length#1;call rec_strcopy_#t~malloc4#1.base, rec_strcopy_#t~malloc4#1.offset := #Ultimate.allocOnHeap(rec_strcopy_~length#1 % 18446744073709551616);rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset := rec_strcopy_#t~malloc4#1.base, rec_strcopy_#t~malloc4#1.offset;havoc rec_strcopy_#t~malloc4#1.base, rec_strcopy_#t~malloc4#1.offset; 66#L28 call rec_strcopy_helper(rec_strcopy_~source#1.base, rec_strcopy_~source#1.offset, rec_strcopy_~copyAlloc~0#1.base, rec_strcopy_~copyAlloc~0#1.offset);< 67#$Ultimate##0 [2023-11-12 02:03:27,602 INFO L750 eck$LassoCheckResult]: Loop: 67#$Ultimate##0 ~source.base, ~source.offset := #in~source.base, #in~source.offset;~dest.base, ~dest.offset := #in~dest.base, #in~dest.offset;call #t~mem2 := read~int(~source.base, ~source.offset, 1);call write~int(#t~mem2, ~dest.base, ~dest.offset, 1);havoc #t~mem2;call #t~mem3 := read~int(~source.base, ~source.offset, 1); 68#L21 assume 0 != #t~mem3;havoc #t~mem3; 69#L22 call rec_strcopy_helper(~source.base, 1 + ~source.offset, ~dest.base, 1 + ~dest.offset);< 67#$Ultimate##0 [2023-11-12 02:03:27,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:27,603 INFO L85 PathProgramCache]: Analyzing trace with hash 1155819375, now seen corresponding path program 1 times [2023-11-12 02:03:27,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:27,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138667027] [2023-11-12 02:03:27,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:27,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:27,623 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:27,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:27,636 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:27,637 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:27,637 INFO L85 PathProgramCache]: Analyzing trace with hash 29912, now seen corresponding path program 2 times [2023-11-12 02:03:27,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:27,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708724909] [2023-11-12 02:03:27,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:27,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:27,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:27,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:27,651 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:27,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:27,652 INFO L85 PathProgramCache]: Analyzing trace with hash 262188714, now seen corresponding path program 1 times [2023-11-12 02:03:27,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:03:27,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101318743] [2023-11-12 02:03:27,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:03:27,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:03:27,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:27,677 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:03:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:03:27,704 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:03:28,995 INFO L210 LassoAnalysis]: Preferences: [2023-11-12 02:03:28,996 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-12 02:03:28,996 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-12 02:03:28,996 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-12 02:03:28,997 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-12 02:03:28,997 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:28,997 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-12 02:03:28,997 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-12 02:03:28,997 INFO L133 ssoRankerPreferences]: Filename of dumped script: rec_strcopy_malloc.i_Iteration2_Lasso [2023-11-12 02:03:28,997 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-12 02:03:28,998 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-12 02:03:29,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,035 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,039 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,042 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,374 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,377 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,380 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,399 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,412 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,417 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,419 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,421 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,423 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,425 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,430 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,432 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-12 02:03:29,874 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-12 02:03:29,879 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-12 02:03:29,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:29,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:29,886 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:29,893 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 [2023-11-12 02:03:29,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-12 02:03:29,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:29,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:29,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:29,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:29,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:29,910 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:29,910 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:29,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:29,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:29,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:29,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:29,932 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:29,946 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 [2023-11-12 02:03:29,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:29,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:29,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:29,959 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:29,959 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:29,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:29,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:29,979 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:29,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-12 02:03:29,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:29,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:29,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:29,996 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,006 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 [2023-11-12 02:03:30,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:30,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,021 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:30,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:30,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-12 02:03:30,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,037 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,042 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 [2023-11-12 02:03:30,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:30,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:30,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:30,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-12 02:03:30,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,082 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,093 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 [2023-11-12 02:03:30,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-12 02:03:30,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,105 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:30,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,106 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,106 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:30,107 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:30,115 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,124 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,126 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,137 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 [2023-11-12 02:03:30,149 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,149 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:30,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,152 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:30,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:30,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-12 02:03:30,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,182 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,186 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 [2023-11-12 02:03:30,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:30,198 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,204 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:30,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:30,206 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-12 02:03:30,227 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,235 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,237 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-12 02:03:30,241 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 [2023-11-12 02:03:30,254 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:30,254 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,254 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,255 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,255 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:30,256 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:30,261 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,276 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,277 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-12 02:03:30,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-12 02:03:30,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-12 02:03:30,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,295 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,297 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-12 02:03:30,297 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-12 02:03:30,306 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,316 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-12 02:03:30,321 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 [2023-11-12 02:03:30,336 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,336 INFO L203 nArgumentSynthesizer]: 4 stem disjuncts [2023-11-12 02:03:30,336 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,336 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,355 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2023-11-12 02:03:30,356 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:30,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,383 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,385 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-12 02:03:30,397 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 [2023-11-12 02:03:30,409 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,410 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2023-11-12 02:03:30,410 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,428 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2023-11-12 02:03:30,428 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2023-11-12 02:03:30,459 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,468 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,469 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-12 02:03:30,474 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 [2023-11-12 02:03:30,486 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,487 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,487 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:30,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:30,507 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-12 02:03:30,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,512 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,523 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 [2023-11-12 02:03:30,536 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-12 02:03:30,536 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-12 02:03:30,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-12 02:03:30,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-12 02:03:30,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-12 02:03:30,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-12 02:03:30,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-12 02:03:30,575 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-12 02:03:30,635 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2023-11-12 02:03:30,635 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2023-11-12 02:03:30,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:03:30,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:03:30,676 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:03:30,684 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-12 02:03:30,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-12 02:03:30,706 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-12 02:03:30,706 INFO L513 LassoAnalysis]: Proved termination. [2023-11-12 02:03:30,706 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length rec_strcopy_helper_#in~dest.base)_1, rec_strcopy_helper_#in~dest.offset) = 1*v_rep(select #length rec_strcopy_helper_#in~dest.base)_1 - 1*rec_strcopy_helper_#in~dest.offset Supporting invariants [] [2023-11-12 02:03:30,712 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:30,727 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-12 02:03:30,733 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#in~dest!base] could not be translated [2023-11-12 02:03:30,736 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: Expression #in~dest!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression [2023-11-12 02:03:30,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:03:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:30,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-12 02:03:30,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:03:30,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-12 02:03:30,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 02:03:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:03:30,871 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 [2023-11-12 02:03:30,872 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 9 transitions. cyclomatic complexity: 1 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:30,919 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 9 transitions. cyclomatic complexity: 1. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 16 transitions. Complement of second has 7 states. [2023-11-12 02:03:30,920 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 [2023-11-12 02:03:30,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-12 02:03:30,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-12 02:03:30,923 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-12 02:03:30,924 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:30,924 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-12 02:03:30,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:30,925 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-12 02:03:30,925 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-12 02:03:30,925 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 16 transitions. [2023-11-12 02:03:30,929 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:03:30,929 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2023-11-12 02:03:30,930 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:03:30,930 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:03:30,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:03:30,930 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:03:30,930 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:03:30,930 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:03:30,930 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:03:30,930 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:03:30,930 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:03:30,931 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:03:30,931 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:03:30,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:03:30 BoogieIcfgContainer [2023-11-12 02:03:30,939 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:03:30,939 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:03:30,940 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:03:30,940 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:03:30,940 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:03:25" (3/4) ... [2023-11-12 02:03:30,944 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:03:30,945 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:03:30,945 INFO L158 Benchmark]: Toolchain (without parser) took 5777.85ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 133.8MB in the beginning and 150.4MB in the end (delta: -16.7MB). Peak memory consumption was 38.8MB. Max. memory is 16.1GB. [2023-11-12 02:03:30,946 INFO L158 Benchmark]: CDTParser took 0.53ms. Allocated memory is still 113.2MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:30,947 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.86ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 123.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-12 02:03:30,950 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.11ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 122.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:03:30,950 INFO L158 Benchmark]: Boogie Preprocessor took 22.84ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 121.2MB in the end (delta: 968.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:30,951 INFO L158 Benchmark]: RCFGBuilder took 307.91ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 109.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 02:03:30,951 INFO L158 Benchmark]: BuchiAutomizer took 5186.55ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 109.6MB in the beginning and 150.4MB in the end (delta: -40.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2023-11-12 02:03:30,952 INFO L158 Benchmark]: Witness Printer took 5.28ms. Allocated memory is still 228.6MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:03:30,954 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.53ms. Allocated memory is still 113.2MB. Free memory is still 62.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.86ms. Allocated memory is still 176.2MB. Free memory was 133.8MB in the beginning and 123.9MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.11ms. Allocated memory is still 176.2MB. Free memory was 123.9MB in the beginning and 122.2MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.84ms. Allocated memory is still 176.2MB. Free memory was 122.2MB in the beginning and 121.2MB in the end (delta: 968.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 307.91ms. Allocated memory is still 176.2MB. Free memory was 121.0MB in the beginning and 109.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 5186.55ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 109.6MB in the beginning and 150.4MB in the end (delta: -40.8MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 5.28ms. Allocated memory is still 228.6MB. Free memory is still 150.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[#in~dest!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #in~dest!offset has a CASTFunctionDefinition but is no IdentifierExpression: IdentifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function NULL and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 110 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 80 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 30 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital193 mio100 ax100 hnf100 lsp100 ukn64 mio100 lsp43 div100 bol100 ite100 ukn100 eq159 hnf91 smp100 dnf118 smp84 tf100 neg100 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 75ms VariablesStem: 4 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 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! [2023-11-12 02:03:30,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-12 02:03:31,179 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_82c74a14-96f0-4f24-9166-53f7864a5657/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE