./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:56:27,480 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:56:27,542 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-29 03:56:27,545 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:56:27,546 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:56:27,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:56:27,569 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:56:27,570 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:56:27,570 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:56:27,571 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:56:27,572 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:56:27,572 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:56:27,573 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:56:27,573 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-29 03:56:27,574 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-29 03:56:27,574 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-29 03:56:27,575 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-29 03:56:27,576 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-29 03:56:27,576 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-29 03:56:27,577 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:56:27,577 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-29 03:56:27,578 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:56:27,578 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:56:27,579 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:56:27,579 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:56:27,580 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-29 03:56:27,580 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-29 03:56:27,581 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-29 03:56:27,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 03:56:27,582 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:56:27,582 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:56:27,582 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-29 03:56:27,583 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:56:27,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:56:27,584 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:56:27,584 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:56:27,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:56:27,585 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-29 03:56:27,585 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_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1a590e2514668f126114e4312bb6236a04cce9502b393533b5b4bfd230be904b [2023-11-29 03:56:27,786 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:56:27,806 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:56:27,808 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:56:27,809 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:56:27,810 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:56:27,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2023-11-29 03:56:30,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:56:30,707 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:56:30,708 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/sv-benchmarks/c/recursified_loop-simple/recursified_nested_2.c [2023-11-29 03:56:30,715 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/data/070fdf913/e9eb8a5d35e44f718c53f625a672005c/FLAG1bfae59ee [2023-11-29 03:56:30,728 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/data/070fdf913/e9eb8a5d35e44f718c53f625a672005c [2023-11-29 03:56:30,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:56:30,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:56:30,734 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:56:30,734 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:56:30,739 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:56:30,739 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,740 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f8059f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30, skipping insertion in model container [2023-11-29 03:56:30,740 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,759 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:56:30,885 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:56:30,895 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:56:30,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:56:30,921 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:56:30,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30 WrapperNode [2023-11-29 03:56:30,921 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:56:30,922 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:56:30,922 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:56:30,923 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:56:30,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,935 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,949 INFO L138 Inliner]: procedures = 13, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 39 [2023-11-29 03:56:30,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:56:30,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:56:30,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:56:30,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:56:30,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,961 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,977 INFO L175 MemorySlicer]: Split 14 memory accesses to 3 slices as follows [2, 6, 6]. 43 percent of accesses are in the largest equivalence class. The 4 initializations are split as follows [2, 1, 1]. The 4 writes are split as follows [0, 2, 2]. [2023-11-29 03:56:30,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,978 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,985 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,989 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:56:30,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:56:30,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:56:30,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:56:30,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (1/1) ... [2023-11-29 03:56:30,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:31,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:31,022 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:31,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-29 03:56:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:56:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:56:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:56:31,058 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2023-11-29 03:56:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 03:56:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:56:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:56:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2023-11-29 03:56:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_20_to_21_0 [2023-11-29 03:56:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_20_to_21_0 [2023-11-29 03:56:31,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:56:31,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:56:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:56:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:56:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2023-11-29 03:56:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure func_to_recursive_line_21_to_21_0 [2023-11-29 03:56:31,060 INFO L138 BoogieDeclarations]: Found implementation of procedure func_to_recursive_line_21_to_21_0 [2023-11-29 03:56:31,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:56:31,131 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:56:31,133 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:56:31,275 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:56:31,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:56:31,285 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 03:56:31,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:56:31 BoogieIcfgContainer [2023-11-29 03:56:31,286 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:56:31,288 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-29 03:56:31,288 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-29 03:56:31,292 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-29 03:56:31,292 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:56:31,293 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 03:56:30" (1/3) ... [2023-11-29 03:56:31,294 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c5c2752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:56:31, skipping insertion in model container [2023-11-29 03:56:31,294 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:56:31,295 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:56:30" (2/3) ... [2023-11-29 03:56:31,295 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c5c2752 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 03:56:31, skipping insertion in model container [2023-11-29 03:56:31,295 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-29 03:56:31,295 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:56:31" (3/3) ... [2023-11-29 03:56:31,297 INFO L332 chiAutomizerObserver]: Analyzing ICFG recursified_nested_2.c [2023-11-29 03:56:31,348 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-29 03:56:31,348 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-29 03:56:31,348 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-29 03:56:31,348 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-29 03:56:31,348 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-29 03:56:31,348 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-29 03:56:31,348 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-29 03:56:31,348 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-29 03:56:31,351 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:56:31,371 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:31,371 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:31,372 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:31,377 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:56:31,377 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:31,377 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-29 03:56:31,377 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2023-11-29 03:56:31,380 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:31,380 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:31,380 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:31,380 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:56:31,380 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:31,386 INFO L748 eck$LassoCheckResult]: Stem: 19#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 21#L65true call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 22#$Ultimate##0true [2023-11-29 03:56:31,387 INFO L750 eck$LassoCheckResult]: Loop: 22#$Ultimate##0true ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 10#L41true assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 14#L47true call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 11#$Ultimate##0true ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 8#L25true assume !(#t~mem4 < 6);havoc #t~mem4; 4#L25-1true assume true; 13#func_to_recursive_line_21_to_21_0EXITtrue >#44#return; 18#L47-1true call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 5#L52true call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 22#$Ultimate##0true [2023-11-29 03:56:31,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:31,393 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 1 times [2023-11-29 03:56:31,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:31,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174120617] [2023-11-29 03:56:31,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:31,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:31,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:31,561 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:31,564 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:31,564 INFO L85 PathProgramCache]: Analyzing trace with hash 1256528503, now seen corresponding path program 1 times [2023-11-29 03:56:31,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:31,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621905378] [2023-11-29 03:56:31,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:31,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:31,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:31,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:31,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:31,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:31,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621905378] [2023-11-29 03:56:31,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621905378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:56:31,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:56:31,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-29 03:56:31,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090243334] [2023-11-29 03:56:31,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:56:31,918 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:56:31,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:31,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 03:56:31,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-29 03:56:31,955 INFO L87 Difference]: Start difference. First operand has 23 states, 16 states have (on average 1.25) internal successors, (20), 18 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 6 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-29 03:56:32,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:32,054 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2023-11-29 03:56:32,056 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 26 states and 31 transitions. [2023-11-29 03:56:32,058 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:32,064 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 26 states to 15 states and 17 transitions. [2023-11-29 03:56:32,065 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-29 03:56:32,065 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-29 03:56:32,066 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 17 transitions. [2023-11-29 03:56:32,067 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:56:32,068 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-29 03:56:32,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 17 transitions. [2023-11-29 03:56:32,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-29 03:56:32,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 10 states have internal predecessors, (10), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2023-11-29 03:56:32,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 17 transitions. [2023-11-29 03:56:32,095 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-29 03:56:32,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 03:56:32,100 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 17 transitions. [2023-11-29 03:56:32,101 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-29 03:56:32,101 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 17 transitions. [2023-11-29 03:56:32,102 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:32,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:32,102 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:32,103 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:56:32,103 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:32,103 INFO L748 eck$LassoCheckResult]: Stem: 82#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 77#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 74#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 75#$Ultimate##0 [2023-11-29 03:56:32,103 INFO L750 eck$LassoCheckResult]: Loop: 75#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 78#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 70#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 79#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 76#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 71#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 79#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 76#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 69#L25-1 assume true; 72#func_to_recursive_line_21_to_21_0EXIT >#50#return; 80#L25-1 assume true; 83#func_to_recursive_line_21_to_21_0EXIT >#44#return; 81#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 73#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 75#$Ultimate##0 [2023-11-29 03:56:32,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:32,104 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 2 times [2023-11-29 03:56:32,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:32,104 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683635758] [2023-11-29 03:56:32,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:32,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:32,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:32,120 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:32,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:32,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:32,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:32,133 INFO L85 PathProgramCache]: Analyzing trace with hash 1085452703, now seen corresponding path program 1 times [2023-11-29 03:56:32,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:32,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438699678] [2023-11-29 03:56:32,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:32,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:32,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:32,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:32,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:56:32,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:32,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438699678] [2023-11-29 03:56:32,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438699678] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:56:32,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122719342] [2023-11-29 03:56:32,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:32,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:56:32,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:32,548 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:56:32,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:56:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:32,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-29 03:56:32,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:32,705 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:56:32,927 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-29 03:56:32,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:56:33,338 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:33,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122719342] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:56:33,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:56:33,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 10] total 22 [2023-11-29 03:56:33,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142838155] [2023-11-29 03:56:33,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:56:33,340 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:56:33,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:33,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-11-29 03:56:33,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=371, Unknown=0, NotChecked=0, Total=462 [2023-11-29 03:56:33,342 INFO L87 Difference]: Start difference. First operand 15 states and 17 transitions. cyclomatic complexity: 4 Second operand has 22 states, 16 states have (on average 1.375) internal successors, (22), 19 states have internal predecessors, (22), 7 states have call successors, (7), 4 states have call predecessors, (7), 5 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-29 03:56:33,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:33,584 INFO L93 Difference]: Finished difference Result 19 states and 21 transitions. [2023-11-29 03:56:33,585 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 21 transitions. [2023-11-29 03:56:33,586 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:33,587 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 19 states and 21 transitions. [2023-11-29 03:56:33,587 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-29 03:56:33,587 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-29 03:56:33,588 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 21 transitions. [2023-11-29 03:56:33,588 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:56:33,588 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-29 03:56:33,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 21 transitions. [2023-11-29 03:56:33,590 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2023-11-29 03:56:33,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 12 states have internal predecessors, (12), 4 states have call successors, (4), 2 states have call predecessors, (4), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2023-11-29 03:56:33,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions. [2023-11-29 03:56:33,591 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-29 03:56:33,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 03:56:33,592 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 21 transitions. [2023-11-29 03:56:33,593 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-29 03:56:33,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 21 transitions. [2023-11-29 03:56:33,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:33,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:33,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:33,595 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:56:33,595 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:33,595 INFO L748 eck$LassoCheckResult]: Stem: 242#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 237#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 234#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 235#$Ultimate##0 [2023-11-29 03:56:33,595 INFO L750 eck$LassoCheckResult]: Loop: 235#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 238#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 231#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 239#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 236#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 239#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 236#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 239#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 236#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 230#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 239#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 236#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 229#L25-1 assume true; 232#func_to_recursive_line_21_to_21_0EXIT >#50#return; 240#L25-1 assume true; 247#func_to_recursive_line_21_to_21_0EXIT >#50#return; 246#L25-1 assume true; 245#func_to_recursive_line_21_to_21_0EXIT >#50#return; 244#L25-1 assume true; 243#func_to_recursive_line_21_to_21_0EXIT >#44#return; 241#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 233#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 235#$Ultimate##0 [2023-11-29 03:56:33,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:33,596 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 3 times [2023-11-29 03:56:33,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:33,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23418216] [2023-11-29 03:56:33,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:33,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:33,607 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:33,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:33,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:33,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:33,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1462582353, now seen corresponding path program 2 times [2023-11-29 03:56:33,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:33,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547590024] [2023-11-29 03:56:33,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:33,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:33,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:34,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:34,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:34,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:34,365 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 03:56:34,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:34,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547590024] [2023-11-29 03:56:34,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547590024] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:56:34,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [72632523] [2023-11-29 03:56:34,366 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-29 03:56:34,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:56:34,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:34,389 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:56:34,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:56:34,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-29 03:56:34,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:56:34,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 54 conjunts are in the unsatisfiable core [2023-11-29 03:56:34,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:34,478 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:56:34,781 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-29 03:56:34,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:56:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:35,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [72632523] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:56:35,821 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:56:35,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 18] total 29 [2023-11-29 03:56:35,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814820070] [2023-11-29 03:56:35,821 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:56:35,822 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:56:35,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:35,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-29 03:56:35,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=639, Unknown=0, NotChecked=0, Total=812 [2023-11-29 03:56:35,824 INFO L87 Difference]: Start difference. First operand 19 states and 21 transitions. cyclomatic complexity: 4 Second operand has 29 states, 22 states have (on average 1.2272727272727273) internal successors, (27), 24 states have internal predecessors, (27), 8 states have call successors, (8), 6 states have call predecessors, (8), 8 states have return successors, (12), 7 states have call predecessors, (12), 7 states have call successors, (12) [2023-11-29 03:56:36,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:36,015 INFO L93 Difference]: Finished difference Result 21 states and 23 transitions. [2023-11-29 03:56:36,015 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 23 transitions. [2023-11-29 03:56:36,016 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:36,017 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 21 states and 23 transitions. [2023-11-29 03:56:36,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2023-11-29 03:56:36,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2023-11-29 03:56:36,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 23 transitions. [2023-11-29 03:56:36,018 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:56:36,018 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-29 03:56:36,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 23 transitions. [2023-11-29 03:56:36,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2023-11-29 03:56:36,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 12 states have (on average 1.0833333333333333) internal successors, (13), 13 states have internal predecessors, (13), 4 states have call successors, (4), 2 states have call predecessors, (4), 5 states have return successors, (6), 5 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-29 03:56:36,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 23 transitions. [2023-11-29 03:56:36,022 INFO L240 hiAutomatonCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-29 03:56:36,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 03:56:36,023 INFO L428 stractBuchiCegarLoop]: Abstraction has 21 states and 23 transitions. [2023-11-29 03:56:36,023 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-29 03:56:36,023 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 23 transitions. [2023-11-29 03:56:36,024 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:36,024 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:36,024 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:36,025 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:56:36,026 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:36,026 INFO L748 eck$LassoCheckResult]: Stem: 507#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 502#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 498#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 499#$Ultimate##0 [2023-11-29 03:56:36,026 INFO L750 eck$LassoCheckResult]: Loop: 499#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 503#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 495#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 494#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 494#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 494#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 494#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 504#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 500#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 501#L25-1 assume true; 505#func_to_recursive_line_21_to_21_0EXIT >#50#return; 493#L25-1 assume true; 496#func_to_recursive_line_21_to_21_0EXIT >#50#return; 513#L25-1 assume true; 512#func_to_recursive_line_21_to_21_0EXIT >#50#return; 511#L25-1 assume true; 510#func_to_recursive_line_21_to_21_0EXIT >#50#return; 509#L25-1 assume true; 508#func_to_recursive_line_21_to_21_0EXIT >#44#return; 506#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 497#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 499#$Ultimate##0 [2023-11-29 03:56:36,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:36,026 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 4 times [2023-11-29 03:56:36,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:36,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811206544] [2023-11-29 03:56:36,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:36,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:36,035 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:36,041 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:36,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:36,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1353511273, now seen corresponding path program 3 times [2023-11-29 03:56:36,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:36,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632703459] [2023-11-29 03:56:36,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:36,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:36,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:36,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:36,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:36,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:37,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:37,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:37,163 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:56:37,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:37,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632703459] [2023-11-29 03:56:37,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [632703459] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:56:37,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223802580] [2023-11-29 03:56:37,164 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-29 03:56:37,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:56:37,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:37,168 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:56:37,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-29 03:56:37,264 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-11-29 03:56:37,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:56:37,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 172 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-29 03:56:37,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:37,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:56:37,649 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-11-29 03:56:37,649 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:56:39,005 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:39,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223802580] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:56:39,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:56:39,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 22] total 34 [2023-11-29 03:56:39,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989801978] [2023-11-29 03:56:39,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:56:39,006 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:56:39,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:39,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-11-29 03:56:39,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=887, Unknown=0, NotChecked=0, Total=1122 [2023-11-29 03:56:39,008 INFO L87 Difference]: Start difference. First operand 21 states and 23 transitions. cyclomatic complexity: 4 Second operand has 34 states, 26 states have (on average 1.1923076923076923) internal successors, (31), 28 states have internal predecessors, (31), 9 states have call successors, (9), 7 states have call predecessors, (9), 10 states have return successors, (15), 9 states have call predecessors, (15), 8 states have call successors, (15) [2023-11-29 03:56:39,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:39,201 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2023-11-29 03:56:39,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 25 transitions. [2023-11-29 03:56:39,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:39,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 25 transitions. [2023-11-29 03:56:39,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-29 03:56:39,204 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-29 03:56:39,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 25 transitions. [2023-11-29 03:56:39,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:56:39,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-29 03:56:39,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 25 transitions. [2023-11-29 03:56:39,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2023-11-29 03:56:39,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 13 states have (on average 1.0769230769230769) internal successors, (14), 14 states have internal predecessors, (14), 4 states have call successors, (4), 2 states have call predecessors, (4), 6 states have return successors, (7), 6 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-29 03:56:39,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2023-11-29 03:56:39,208 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-29 03:56:39,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 03:56:39,209 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 25 transitions. [2023-11-29 03:56:39,210 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-29 03:56:39,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 25 transitions. [2023-11-29 03:56:39,210 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:39,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:39,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:39,212 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:56:39,212 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:39,212 INFO L748 eck$LassoCheckResult]: Stem: 834#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 829#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 825#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 826#$Ultimate##0 [2023-11-29 03:56:39,212 INFO L750 eck$LassoCheckResult]: Loop: 826#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 830#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 821#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 822#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 831#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 827#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 828#L25-1 assume true; 832#func_to_recursive_line_21_to_21_0EXIT >#50#return; 820#L25-1 assume true; 823#func_to_recursive_line_21_to_21_0EXIT >#50#return; 842#L25-1 assume true; 841#func_to_recursive_line_21_to_21_0EXIT >#50#return; 840#L25-1 assume true; 839#func_to_recursive_line_21_to_21_0EXIT >#50#return; 838#L25-1 assume true; 837#func_to_recursive_line_21_to_21_0EXIT >#50#return; 836#L25-1 assume true; 835#func_to_recursive_line_21_to_21_0EXIT >#44#return; 833#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 824#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 826#$Ultimate##0 [2023-11-29 03:56:39,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:39,213 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 5 times [2023-11-29 03:56:39,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:39,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259926131] [2023-11-29 03:56:39,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:39,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:39,219 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:39,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:39,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:39,226 INFO L85 PathProgramCache]: Analyzing trace with hash 892489151, now seen corresponding path program 4 times [2023-11-29 03:56:39,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:39,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413543963] [2023-11-29 03:56:39,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:39,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:39,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:39,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:39,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:40,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:40,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:40,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:40,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-11-29 03:56:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:40,362 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-11-29 03:56:40,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:56:40,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413543963] [2023-11-29 03:56:40,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413543963] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:56:40,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755029497] [2023-11-29 03:56:40,362 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-29 03:56:40,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:56:40,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:40,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:56:40,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-29 03:56:40,471 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-29 03:56:40,471 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-29 03:56:40,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-29 03:56:40,477 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:40,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-29 03:56:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-29 03:56:40,877 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:56:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:42,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755029497] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:56:42,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:56:42,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 26] total 42 [2023-11-29 03:56:42,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054834678] [2023-11-29 03:56:42,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:56:42,657 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-29 03:56:42,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:56:42,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-11-29 03:56:42,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1383, Unknown=0, NotChecked=0, Total=1722 [2023-11-29 03:56:42,659 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. cyclomatic complexity: 4 Second operand has 42 states, 32 states have (on average 1.1875) internal successors, (38), 35 states have internal predecessors, (38), 11 states have call successors, (12), 8 states have call predecessors, (12), 13 states have return successors, (18), 12 states have call predecessors, (18), 10 states have call successors, (18) [2023-11-29 03:56:43,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:56:43,005 INFO L93 Difference]: Finished difference Result 25 states and 27 transitions. [2023-11-29 03:56:43,005 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 27 transitions. [2023-11-29 03:56:43,006 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:43,006 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 27 transitions. [2023-11-29 03:56:43,006 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2023-11-29 03:56:43,007 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 25 [2023-11-29 03:56:43,007 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 27 transitions. [2023-11-29 03:56:43,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:56:43,007 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-29 03:56:43,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 27 transitions. [2023-11-29 03:56:43,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2023-11-29 03:56:43,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 15 states have internal predecessors, (15), 4 states have call successors, (4), 2 states have call predecessors, (4), 7 states have return successors, (8), 7 states have call predecessors, (8), 2 states have call successors, (8) [2023-11-29 03:56:43,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2023-11-29 03:56:43,010 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-29 03:56:43,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-29 03:56:43,010 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 27 transitions. [2023-11-29 03:56:43,010 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-29 03:56:43,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 27 transitions. [2023-11-29 03:56:43,011 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2023-11-29 03:56:43,011 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:43,011 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:43,012 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-29 03:56:43,012 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:43,013 INFO L748 eck$LassoCheckResult]: Stem: 1240#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1235#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1231#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1232#$Ultimate##0 [2023-11-29 03:56:43,013 INFO L750 eck$LassoCheckResult]: Loop: 1232#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 1236#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 1227#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1228#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1237#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1233#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 1234#L25-1 assume true; 1238#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1226#L25-1 assume true; 1229#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1250#L25-1 assume true; 1249#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1248#L25-1 assume true; 1247#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1246#L25-1 assume true; 1245#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1244#L25-1 assume true; 1243#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1242#L25-1 assume true; 1241#func_to_recursive_line_21_to_21_0EXIT >#44#return; 1239#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 1230#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 1232#$Ultimate##0 [2023-11-29 03:56:43,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:43,013 INFO L85 PathProgramCache]: Analyzing trace with hash 40812, now seen corresponding path program 6 times [2023-11-29 03:56:43,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:43,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126474081] [2023-11-29 03:56:43,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:43,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:43,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:43,020 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:43,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:43,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:43,026 INFO L85 PathProgramCache]: Analyzing trace with hash -288932697, now seen corresponding path program 5 times [2023-11-29 03:56:43,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:43,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855531616] [2023-11-29 03:56:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:43,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:43,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:43,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:43,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:43,065 INFO L85 PathProgramCache]: Analyzing trace with hash -253400356, now seen corresponding path program 1 times [2023-11-29 03:56:43,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:43,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619318191] [2023-11-29 03:56:43,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:43,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:43,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:43,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:43,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:43,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:45,261 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:45,262 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:45,262 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:45,262 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:45,262 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:45,262 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:45,262 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:45,262 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:45,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration6_Lasso [2023-11-29 03:56:45,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:45,262 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:45,274 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,280 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,294 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,296 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,299 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,301 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,755 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,757 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,759 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:45,766 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:46,049 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:46,054 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:46,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,056 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-29 03:56:46,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:46,069 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,069 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,069 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:46,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:46,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,076 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:46,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,077 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-29 03:56:46,079 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,097 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-29 03:56:46,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,102 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-29 03:56:46,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,115 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,115 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2023-11-29 03:56:46,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,124 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-29 03:56:46,126 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,136 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:46,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,136 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,136 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,137 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:46,137 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:46,138 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,141 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-29 03:56:46,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,142 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-29 03:56:46,144 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:46,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:46,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:46,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2023-11-29 03:56:46,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,160 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,161 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-29 03:56:46,162 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:46,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,174 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,174 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,174 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:46,174 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:46,176 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2023-11-29 03:56:46,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,179 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,180 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-29 03:56:46,181 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,191 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,194 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,194 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2023-11-29 03:56:46,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,202 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-29 03:56:46,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,215 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,217 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,217 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,221 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2023-11-29 03:56:46,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,226 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-29 03:56:46,228 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,241 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,241 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,251 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2023-11-29 03:56:46,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,252 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,253 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-29 03:56:46,255 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,273 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2023-11-29 03:56:46,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,275 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-29 03:56:46,277 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,291 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,291 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,297 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2023-11-29 03:56:46,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,301 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-29 03:56:46,304 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,316 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,318 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,318 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:46,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,337 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,338 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-29 03:56:46,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,350 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,354 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,354 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2023-11-29 03:56:46,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,365 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-29 03:56:46,368 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,380 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,380 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:46,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-29 03:56:46,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,388 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,389 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-29 03:56:46,391 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:46,401 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:46,401 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:46,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:46,401 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:46,405 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:46,405 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:46,413 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:46,435 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-29 03:56:46,436 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-29 03:56:46,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:46,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:46,444 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:46,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-29 03:56:46,446 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:46,457 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 03:56:46,457 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:46,457 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#2 func_to_recursive_line_20_to_21_0_#in~a.base) func_to_recursive_line_20_to_21_0_#in~a.offset)_1) = -2*v_rep(select (select #memory_int#2 func_to_recursive_line_20_to_21_0_#in~a.base) func_to_recursive_line_20_to_21_0_#in~a.offset)_1 + 11 Supporting invariants [] [2023-11-29 03:56:46,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2023-11-29 03:56:46,496 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2023-11-29 03:56:46,503 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#2[#in~a!base][#in~a!offset] could not be translated [2023-11-29 03:56:46,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:46,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:46,534 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-29 03:56:46,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:46,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-29 03:56:46,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:46,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 03:56:46,907 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2023-11-29 03:56:46,910 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 5 loop predicates [2023-11-29 03:56:46,912 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 25 states and 27 transitions. cyclomatic complexity: 4 Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:56:47,056 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 25 states and 27 transitions. cyclomatic complexity: 4. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 89 states and 97 transitions. Complement of second has 19 states. [2023-11-29 03:56:47,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2023-11-29 03:56:47,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 4 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:56:47,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 15 transitions. [2023-11-29 03:56:47,061 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 3 letters. Loop has 39 letters. [2023-11-29 03:56:47,063 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:47,063 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 42 letters. Loop has 39 letters. [2023-11-29 03:56:47,064 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:47,064 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 15 transitions. Stem has 3 letters. Loop has 78 letters. [2023-11-29 03:56:47,065 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:47,066 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 97 transitions. [2023-11-29 03:56:47,069 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:56:47,071 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 45 states and 51 transitions. [2023-11-29 03:56:47,071 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2023-11-29 03:56:47,071 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-29 03:56:47,071 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 51 transitions. [2023-11-29 03:56:47,072 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:47,072 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 51 transitions. [2023-11-29 03:56:47,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 51 transitions. [2023-11-29 03:56:47,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 34. [2023-11-29 03:56:47,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 7 states have call successors, (7), 5 states have call predecessors, (7), 7 states have return successors, (8), 7 states have call predecessors, (8), 3 states have call successors, (8) [2023-11-29 03:56:47,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 38 transitions. [2023-11-29 03:56:47,077 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 38 transitions. [2023-11-29 03:56:47,077 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 38 transitions. [2023-11-29 03:56:47,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-29 03:56:47,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 38 transitions. [2023-11-29 03:56:47,078 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:56:47,078 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:47,078 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:47,078 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-29 03:56:47,078 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 03:56:47,079 INFO L748 eck$LassoCheckResult]: Stem: 1573#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1564#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1558#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1574#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 1565#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 1562#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1568#$Ultimate##0 [2023-11-29 03:56:47,079 INFO L750 eck$LassoCheckResult]: Loop: 1568#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1560#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1561#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1568#$Ultimate##0 [2023-11-29 03:56:47,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:47,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1215830428, now seen corresponding path program 1 times [2023-11-29 03:56:47,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:47,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912389883] [2023-11-29 03:56:47,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:47,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:47,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:47,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:47,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:47,101 INFO L85 PathProgramCache]: Analyzing trace with hash 63661, now seen corresponding path program 1 times [2023-11-29 03:56:47,102 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:47,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625790853] [2023-11-29 03:56:47,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:47,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,111 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:47,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:47,112 INFO L85 PathProgramCache]: Analyzing trace with hash 1345107250, now seen corresponding path program 1 times [2023-11-29 03:56:47,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:47,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241327914] [2023-11-29 03:56:47,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:47,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:47,132 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:47,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2023-11-29 03:56:48,216 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:48,216 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:48,216 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:48,216 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:48,216 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:48,216 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,216 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:48,216 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:48,216 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration7_Lasso [2023-11-29 03:56:48,216 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:48,217 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:48,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,220 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,223 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,224 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,226 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,462 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,474 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,486 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,489 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:48,700 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:48,700 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:48,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,701 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-29 03:56:48,703 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:48,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:48,713 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:48,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:48,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:48,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:48,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:48,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:48,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:48,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:48,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,718 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-29 03:56:48,720 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:48,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:48,730 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:48,730 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:48,730 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:48,730 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:48,730 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:48,730 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:48,731 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:48,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-29 03:56:48,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,735 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-29 03:56:48,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:48,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:48,747 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:48,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:48,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:48,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:48,747 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:48,747 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:48,748 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:48,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2023-11-29 03:56:48,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,752 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-29 03:56:48,754 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:48,763 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:48,763 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:48,763 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:48,764 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:48,764 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:48,764 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:48,764 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:48,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:48,768 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2023-11-29 03:56:48,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,770 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-29 03:56:48,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:48,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:48,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:48,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:48,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:48,783 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:48,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:48,787 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:48,789 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-29 03:56:48,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,790 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,791 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-29 03:56:48,793 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:48,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:48,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:48,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:48,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:48,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:48,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:48,808 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:48,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-29 03:56:48,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,811 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-29 03:56:48,813 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:48,823 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:48,823 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:48,823 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:48,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:48,824 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:48,825 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:48,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:48,831 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-29 03:56:48,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,832 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-29 03:56:48,834 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:48,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:48,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:48,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:48,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:48,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:48,848 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:48,859 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:48,879 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-29 03:56:48,879 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-29 03:56:48,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:48,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:48,880 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:48,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-29 03:56:48,882 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:48,893 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-29 03:56:48,893 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:48,893 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select old(#memory_int#1) func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1) = -2*v_rep(select (select old(#memory_int#1) func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1 + 11 Supporting invariants [-1*v_rep(select (select old(#memory_int#1) func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1 + 1*v_rep(select (select #memory_int#1 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_1 >= 0] [2023-11-29 03:56:48,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-29 03:56:48,913 INFO L156 tatePredicateManager]: 5 out of 7 supporting invariants were superfluous and have been removed [2023-11-29 03:56:48,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression old(#memory_int#1)[#in~b!base][0] could not be translated [2023-11-29 03:56:48,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:48,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:48,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-29 03:56:48,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:49,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:49,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-29 03:56:49,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:49,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2023-11-29 03:56:49,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-29 03:56:49,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 03:56:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:49,087 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 3 loop predicates [2023-11-29 03:56:49,087 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 38 transitions. cyclomatic complexity: 7 Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:56:49,204 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 38 transitions. cyclomatic complexity: 7. Second operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 74 transitions. Complement of second has 17 states. [2023-11-29 03:56:49,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 03:56:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 3 states have call successors, (3), 2 states have call predecessors, (3), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-29 03:56:49,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-11-29 03:56:49,205 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 6 letters. Loop has 3 letters. [2023-11-29 03:56:49,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:49,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 9 letters. Loop has 3 letters. [2023-11-29 03:56:49,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:49,206 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 6 letters. Loop has 6 letters. [2023-11-29 03:56:49,206 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:49,206 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 74 transitions. [2023-11-29 03:56:49,208 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:56:49,209 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 45 states and 56 transitions. [2023-11-29 03:56:49,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-29 03:56:49,210 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-29 03:56:49,210 INFO L73 IsDeterministic]: Start isDeterministic. Operand 45 states and 56 transitions. [2023-11-29 03:56:49,210 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-29 03:56:49,210 INFO L218 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-29 03:56:49,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states and 56 transitions. [2023-11-29 03:56:49,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-11-29 03:56:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 30 states have internal predecessors, (30), 10 states have call successors, (10), 7 states have call predecessors, (10), 8 states have return successors, (16), 7 states have call predecessors, (16), 6 states have call successors, (16) [2023-11-29 03:56:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2023-11-29 03:56:49,216 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-29 03:56:49,216 INFO L428 stractBuchiCegarLoop]: Abstraction has 45 states and 56 transitions. [2023-11-29 03:56:49,216 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-29 03:56:49,217 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 56 transitions. [2023-11-29 03:56:49,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-29 03:56:49,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-29 03:56:49,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-29 03:56:49,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:56:49,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-29 03:56:49,219 INFO L748 eck$LassoCheckResult]: Stem: 1777#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(11, 2);call #Ultimate.allocInit(12, 3); 1766#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~mem10#1, main_#t~mem11#1, main_#t~short12#1, main_~#a~0#1.base, main_~#a~0#1.offset, main_~#b~0#1.base, main_~#b~0#1.offset;call main_~#a~0#1.base, main_~#a~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#2(6, main_~#a~0#1.base, main_~#a~0#1.offset, 4);call main_~#b~0#1.base, main_~#b~0#1.offset := #Ultimate.allocOnStack(4);call write~init~int#1(6, main_~#b~0#1.base, main_~#b~0#1.offset, 4);call write~int#2(0, main_~#a~0#1.base, main_~#a~0#1.offset, 4); 1758#L65 call func_to_recursive_line_20_to_21_0(main_~#b~0#1.base, main_~#b~0#1.offset, main_~#a~0#1.base, main_~#a~0#1.offset);< 1778#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 1779#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 1781#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1797#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1796#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1765#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1775#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1763#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1764#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1775#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1763#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1764#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1775#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1763#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1764#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1775#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1763#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1764#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1775#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1763#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1764#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1775#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1792#L25 assume !(#t~mem4 < 6);havoc #t~mem4; 1793#L25-1 assume true; 1773#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1774#L25-1 assume true; 1791#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1790#L25-1 assume true; 1789#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1788#L25-1 assume true; 1787#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1786#L25-1 assume true; 1785#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1784#L25-1 assume true; 1783#func_to_recursive_line_21_to_21_0EXIT >#50#return; 1782#L25-1 assume true; 1780#func_to_recursive_line_21_to_21_0EXIT >#44#return; 1776#L47-1 call #t~mem8 := read~int#2(~a.base, ~a.offset, 4);#t~pre9 := 1 + #t~mem8;call write~int#2(1 + #t~mem8, ~a.base, ~a.offset, 4);havoc #t~mem8;havoc #t~pre9; 1757#L52 call func_to_recursive_line_20_to_21_0(~b.base, ~b.offset, ~a.base, ~a.offset);< 1759#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;~a.base, ~a.offset := #in~a.base, #in~a.offset;call #t~mem7 := read~int#2(~a.base, ~a.offset, 4); 1767#L41 assume #t~mem7 < 6;havoc #t~mem7;call write~int#1(0, ~b.base, ~b.offset, 4); 1761#L47 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1770#$Ultimate##0 [2023-11-29 03:56:49,219 INFO L750 eck$LassoCheckResult]: Loop: 1770#$Ultimate##0 ~b.base, ~b.offset := #in~b.base, #in~b.offset;call #t~mem4 := read~int#1(~b.base, ~b.offset, 4); 1760#L25 assume #t~mem4 < 6;havoc #t~mem4;call #t~mem5 := read~int#1(~b.base, ~b.offset, 4);#t~pre6 := 1 + #t~mem5;call write~int#1(1 + #t~mem5, ~b.base, ~b.offset, 4);havoc #t~mem5;havoc #t~pre6; 1762#L32 call func_to_recursive_line_21_to_21_0(~b.base, ~b.offset);< 1770#$Ultimate##0 [2023-11-29 03:56:49,219 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:49,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1502500908, now seen corresponding path program 2 times [2023-11-29 03:56:49,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:49,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749464287] [2023-11-29 03:56:49,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:49,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:49,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,247 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:49,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,272 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:49,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:49,273 INFO L85 PathProgramCache]: Analyzing trace with hash 63661, now seen corresponding path program 2 times [2023-11-29 03:56:49,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:49,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329327511] [2023-11-29 03:56:49,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:49,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:49,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:49,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,282 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:49,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:49,282 INFO L85 PathProgramCache]: Analyzing trace with hash -1144574814, now seen corresponding path program 3 times [2023-11-29 03:56:49,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:56:49,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658917785] [2023-11-29 03:56:49,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:56:49,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:56:49,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-29 03:56:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-29 03:56:49,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-29 03:56:52,124 INFO L210 LassoAnalysis]: Preferences: [2023-11-29 03:56:52,124 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-29 03:56:52,124 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-29 03:56:52,124 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-29 03:56:52,124 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-29 03:56:52,124 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,124 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-29 03:56:52,124 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-29 03:56:52,124 INFO L133 ssoRankerPreferences]: Filename of dumped script: recursified_nested_2.c_Iteration8_Lasso [2023-11-29 03:56:52,125 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-29 03:56:52,125 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-29 03:56:52,126 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,130 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,135 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,136 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,138 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,143 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,144 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,146 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,154 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,155 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,158 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,401 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,407 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-29 03:56:52,624 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-29 03:56:52,624 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-29 03:56:52,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,625 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,626 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-29 03:56:52,627 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,637 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,638 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,638 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,640 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-29 03:56:52,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,643 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-29 03:56:52,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,657 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,657 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,657 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,657 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,657 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,658 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,658 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,662 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2023-11-29 03:56:52,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,663 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,664 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-29 03:56:52,665 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,675 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,676 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,676 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,680 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:52,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,681 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-29 03:56:52,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,693 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,693 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,693 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:52,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,699 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-29 03:56:52,701 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,713 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,714 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,714 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,714 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,714 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,714 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,718 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-29 03:56:52,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,719 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-29 03:56:52,721 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,731 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,731 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,732 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,732 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,733 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,735 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-29 03:56:52,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,736 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-29 03:56:52,738 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,748 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,748 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,748 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,748 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,749 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,752 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-29 03:56:52,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,753 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-29 03:56:52,755 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,767 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,767 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,771 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-29 03:56:52,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,772 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-29 03:56:52,774 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,787 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-29 03:56:52,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,788 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-29 03:56:52,794 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,803 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,803 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,804 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,804 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,804 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,804 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,804 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-29 03:56:52,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,808 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-29 03:56:52,811 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,820 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,821 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,821 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,821 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,821 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,821 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,822 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-29 03:56:52,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,826 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-29 03:56:52,829 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,838 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,840 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:52,840 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:52,843 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,845 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2023-11-29 03:56:52,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,846 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,847 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-29 03:56:52,849 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,860 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,862 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:52,862 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:52,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,868 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:52,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,869 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-29 03:56:52,871 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,881 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,881 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,881 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,881 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,881 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,881 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,881 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:52,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,887 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-29 03:56:52,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,899 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,899 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,899 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,899 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,899 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,899 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,901 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-29 03:56:52,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,904 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-29 03:56:52,906 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,916 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,916 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,918 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:52,920 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,921 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-29 03:56:52,933 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,943 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,943 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-29 03:56:52,943 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,943 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,943 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,943 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-29 03:56:52,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-29 03:56:52,945 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2023-11-29 03:56:52,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,948 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-29 03:56:52,950 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,960 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,960 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,960 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,960 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,961 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:52,961 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:52,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-29 03:56:52,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,969 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-29 03:56:52,971 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:52,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:52,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:52,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:52,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:52,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:52,982 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:52,986 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:52,988 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:52,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:52,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:52,989 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:52,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-29 03:56:52,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:53,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:53,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:53,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:53,002 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:53,003 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:53,004 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:53,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:53,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:53,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:53,012 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:53,012 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:53,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-29 03:56:53,015 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:53,024 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:53,024 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:53,024 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:53,024 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:53,026 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:53,026 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:53,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:53,031 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:53,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:53,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:53,033 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:53,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-29 03:56:53,035 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:53,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:53,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:53,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:53,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:53,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:53,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:53,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:53,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:53,052 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:53,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:53,053 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:53,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-29 03:56:53,055 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:53,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:53,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:53,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:53,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:53,066 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:53,066 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:53,070 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:53,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-29 03:56:53,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:53,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:53,073 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:53,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-29 03:56:53,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:53,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:53,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:53,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:53,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:53,086 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:53,086 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:53,090 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:53,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:53,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:53,092 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:53,093 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:53,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-29 03:56:53,095 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:53,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:53,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:53,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:53,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:53,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:53,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:53,111 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:53,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:53,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:53,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:53,115 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:53,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-29 03:56:53,117 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:53,126 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:53,127 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:53,127 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:53,127 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:53,128 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:53,128 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:53,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-29 03:56:53,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-29 03:56:53,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:53,133 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:53,133 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:53,134 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-29 03:56:53,136 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-29 03:56:53,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-29 03:56:53,146 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-29 03:56:53,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-29 03:56:53,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-29 03:56:53,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-29 03:56:53,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-29 03:56:53,163 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-29 03:56:53,188 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-29 03:56:53,188 INFO L444 ModelExtractionUtils]: 4 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-29 03:56:53,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-29 03:56:53,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:56:53,189 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-29 03:56:53,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-29 03:56:53,191 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-29 03:56:53,202 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-29 03:56:53,202 INFO L513 LassoAnalysis]: Proved termination. [2023-11-29 03:56:53,202 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#1 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_2) = -2*v_rep(select (select #memory_int#1 func_to_recursive_line_21_to_21_0_#in~b.base) 0)_2 + 11 Supporting invariants [] [2023-11-29 03:56:53,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-29 03:56:53,219 INFO L156 tatePredicateManager]: 5 out of 6 supporting invariants were superfluous and have been removed [2023-11-29 03:56:53,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[#in~b!base][0] could not be translated [2023-11-29 03:56:53,238 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:53,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 03:56:53,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:53,696 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 03:56:53,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:53,738 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 03:56:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:53,762 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2023-11-29 03:56:53,762 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:56:53,890 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 52 states and 63 transitions. Complement of second has 17 states. [2023-11-29 03:56:53,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 03:56:53,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:56:53,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-11-29 03:56:53,891 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 45 letters. Loop has 3 letters. [2023-11-29 03:56:53,891 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:53,891 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:53,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:54,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 03:56:54,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:54,390 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 03:56:54,391 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:54,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 03:56:54,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:54,449 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 3 loop predicates [2023-11-29 03:56:54,449 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:56:54,618 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 52 states and 63 transitions. Complement of second has 17 states. [2023-11-29 03:56:54,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 03:56:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:56:54,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2023-11-29 03:56:54,620 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 11 transitions. Stem has 45 letters. Loop has 3 letters. [2023-11-29 03:56:54,620 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:54,621 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-29 03:56:54,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:56:54,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-29 03:56:54,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:54,785 INFO L262 TraceCheckSpWp]: Trace formula consists of 620 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-29 03:56:54,787 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:56:55,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-29 03:56:55,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:56:55,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 20 [2023-11-29 03:56:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:56:55,177 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 3 loop predicates [2023-11-29 03:56:55,177 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15 Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:56:55,338 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 45 states and 56 transitions. cyclomatic complexity: 15. Second operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Result 67 states and 78 transitions. Complement of second has 20 states. [2023-11-29 03:56:55,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-29 03:56:55,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 4 states have call successors, (6), 3 states have call predecessors, (6), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2023-11-29 03:56:55,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 21 transitions. [2023-11-29 03:56:55,339 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 45 letters. Loop has 3 letters. [2023-11-29 03:56:55,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:55,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 48 letters. Loop has 3 letters. [2023-11-29 03:56:55,340 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:55,340 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 21 transitions. Stem has 45 letters. Loop has 6 letters. [2023-11-29 03:56:55,341 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-29 03:56:55,341 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 78 transitions. [2023-11-29 03:56:55,342 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:56:55,343 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 0 states and 0 transitions. [2023-11-29 03:56:55,343 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-29 03:56:55,343 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-29 03:56:55,343 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-29 03:56:55,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 03:56:55,343 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:56:55,343 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:56:55,343 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 03:56:55,343 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-29 03:56:55,343 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-29 03:56:55,343 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-29 03:56:55,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-29 03:56:55,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 03:56:55 BoogieIcfgContainer [2023-11-29 03:56:55,348 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-29 03:56:55,349 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 03:56:55,349 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 03:56:55,349 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 03:56:55,349 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:56:31" (3/4) ... [2023-11-29 03:56:55,350 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-29 03:56:55,351 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 03:56:55,352 INFO L158 Benchmark]: Toolchain (without parser) took 24619.18ms. Allocated memory was 161.5MB in the beginning and 371.2MB in the end (delta: 209.7MB). Free memory was 116.4MB in the beginning and 239.4MB in the end (delta: -123.0MB). Peak memory consumption was 89.9MB. Max. memory is 16.1GB. [2023-11-29 03:56:55,352 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:56:55,352 INFO L158 Benchmark]: CACSL2BoogieTranslator took 187.48ms. Allocated memory is still 161.5MB. Free memory was 115.8MB in the beginning and 106.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-29 03:56:55,352 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.14ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 104.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:56:55,352 INFO L158 Benchmark]: Boogie Preprocessor took 42.50ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 102.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 03:56:55,353 INFO L158 Benchmark]: RCFGBuilder took 293.56ms. Allocated memory is still 161.5MB. Free memory was 102.6MB in the beginning and 90.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-29 03:56:55,353 INFO L158 Benchmark]: BuchiAutomizer took 24060.67ms. Allocated memory was 161.5MB in the beginning and 371.2MB in the end (delta: 209.7MB). Free memory was 90.1MB in the beginning and 239.4MB in the end (delta: -149.3MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. [2023-11-29 03:56:55,353 INFO L158 Benchmark]: Witness Printer took 2.62ms. Allocated memory is still 371.2MB. Free memory is still 239.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 03:56:55,354 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 113.2MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 187.48ms. Allocated memory is still 161.5MB. Free memory was 115.8MB in the beginning and 106.2MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.14ms. Allocated memory is still 161.5MB. Free memory was 106.2MB in the beginning and 104.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.50ms. Allocated memory is still 161.5MB. Free memory was 104.6MB in the beginning and 102.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 293.56ms. Allocated memory is still 161.5MB. Free memory was 102.6MB in the beginning and 90.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 24060.67ms. Allocated memory was 161.5MB in the beginning and 371.2MB in the end (delta: 209.7MB). Free memory was 90.1MB in the beginning and 239.4MB in the end (delta: -149.3MB). Peak memory consumption was 62.6MB. Max. memory is 16.1GB. * Witness Printer took 2.62ms. Allocated memory is still 371.2MB. Free memory is still 239.4MB. 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 #memory_int#2[#in~a!base][#in~a!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression old(#memory_int#1)[#in~b!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int#1[#in~b!base][0] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 8 terminating modules (5 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. One deterministic module has affine ranking function null and consists of 8 locations. One nondeterministic module has affine ranking function null and consists of 9 locations. 5 modules have a trivial ranking function, the largest among these consists of 42 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 24.0s and 9 iterations. TraceHistogramMax:7. Analysis of lassos took 19.7s. Construction of modules took 0.6s. Büchi inclusion checks took 3.5s. Highest rank in rank-based complementation 3. Minimization of det autom 6. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 99/99 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 224 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 223 mSDsluCounter, 475 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 373 mSDsCounter, 237 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 655 IncrementalHoareTripleChecker+Invalid, 892 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 237 mSolverCounterUnsat, 102 mSDtfsCounter, 655 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI5 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital201 mio100 ax100 hnf100 lsp93 ukn72 mio100 lsp25 div100 bol100 ite100 ukn100 eq217 hnf86 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 21ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-29 03:56:55,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-29 03:56:55,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:55,767 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-29 03:56:55,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:56:56,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ec631cf-d524-4b27-92cc-8feffba9ae8f/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE