./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a 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_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 21:56:10,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 21:56:10,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 21:56:11,009 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 21:56:11,009 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 21:56:11,045 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 21:56:11,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 21:56:11,046 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 21:56:11,047 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 21:56:11,049 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 21:56:11,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 21:56:11,053 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 21:56:11,053 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 21:56:11,053 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 21:56:11,054 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 21:56:11,054 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 21:56:11,054 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 21:56:11,054 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 21:56:11,055 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 21:56:11,055 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 21:56:11,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 21:56:11,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 21:56:11,056 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 21:56:11,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 21:56:11,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 21:56:11,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 21:56:11,059 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 21:56:11,059 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 21:56:11,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 21:56:11,059 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 21:56:11,060 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 21:56:11,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 21:56:11,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 21:56:11,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 21:56:11,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 21:56:11,062 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 21:56:11,063 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_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6d71d49c6e185294c0f1f4729e12b8d7df6d1365b5d24a48890a0be5b6780c4 [2024-10-31 21:56:11,314 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 21:56:11,340 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 21:56:11,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 21:56:11,345 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 21:56:11,346 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 21:56:11,347 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-recursive-malloc/mergeSort.i Unable to find full path for "g++" [2024-10-31 21:56:13,368 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 21:56:13,567 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 21:56:13,568 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/sv-benchmarks/c/termination-recursive-malloc/mergeSort.i [2024-10-31 21:56:13,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/data/10ff9c20a/ac3aea4aef35438986529dcaf5d85b3f/FLAG1955261a9 [2024-10-31 21:56:13,940 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/data/10ff9c20a/ac3aea4aef35438986529dcaf5d85b3f [2024-10-31 21:56:13,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 21:56:13,945 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 21:56:13,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:13,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 21:56:13,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 21:56:13,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:13" (1/1) ... [2024-10-31 21:56:13,955 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f7f2ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:13, skipping insertion in model container [2024-10-31 21:56:13,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 09:56:13" (1/1) ... [2024-10-31 21:56:13,981 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 21:56:14,185 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:14,197 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 21:56:14,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 21:56:14,239 INFO L204 MainTranslator]: Completed translation [2024-10-31 21:56:14,239 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14 WrapperNode [2024-10-31 21:56:14,239 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 21:56:14,240 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:14,240 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 21:56:14,240 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 21:56:14,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,257 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,283 INFO L138 Inliner]: procedures = 12, calls = 20, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2024-10-31 21:56:14,288 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 21:56:14,289 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 21:56:14,289 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 21:56:14,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 21:56:14,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,304 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,319 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [8, 2]. 80 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 3 writes are split as follows [2, 1]. [2024-10-31 21:56:14,320 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,320 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,330 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 21:56:14,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 21:56:14,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 21:56:14,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 21:56:14,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (1/1) ... [2024-10-31 21:56:14,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:14,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:14,374 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:14,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 21:56:14,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 21:56:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 21:56:14,414 INFO L130 BoogieDeclarations]: Found specification of procedure merge_sort [2024-10-31 21:56:14,415 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_sort [2024-10-31 21:56:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-31 21:56:14,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 21:56:14,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 21:56:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 21:56:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 21:56:14,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 21:56:14,520 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 21:56:14,522 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 21:56:14,816 INFO L? ?]: Removed 32 outVars from TransFormulas that were not future-live. [2024-10-31 21:56:14,816 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 21:56:14,828 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 21:56:14,828 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-31 21:56:14,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:14 BoogieIcfgContainer [2024-10-31 21:56:14,828 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 21:56:14,830 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 21:56:14,830 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 21:56:14,833 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 21:56:14,834 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:14,834 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 09:56:13" (1/3) ... [2024-10-31 21:56:14,835 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f957dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:56:14, skipping insertion in model container [2024-10-31 21:56:14,835 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:14,835 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 09:56:14" (2/3) ... [2024-10-31 21:56:14,835 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7f957dce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 09:56:14, skipping insertion in model container [2024-10-31 21:56:14,836 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 21:56:14,836 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 09:56:14" (3/3) ... [2024-10-31 21:56:14,837 INFO L332 chiAutomizerObserver]: Analyzing ICFG mergeSort.i [2024-10-31 21:56:14,898 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 21:56:14,898 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 21:56:14,898 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 21:56:14,898 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 21:56:14,899 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 21:56:14,899 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 21:56:14,899 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 21:56:14,899 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 21:56:14,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:56:14,927 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2024-10-31 21:56:14,928 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:14,928 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:14,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:56:14,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:14,932 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 21:56:14,933 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:56:14,936 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 16 [2024-10-31 21:56:14,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:14,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:14,936 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 21:56:14,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:14,944 INFO L745 eck$LassoCheckResult]: Stem: 29#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 16#L35true assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 10#L40-3true [2024-10-31 21:56:14,945 INFO L747 eck$LassoCheckResult]: Loop: 10#L40-3true assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 11#L40-2true main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 10#L40-3true [2024-10-31 21:56:14,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:14,951 INFO L85 PathProgramCache]: Analyzing trace with hash 89440, now seen corresponding path program 1 times [2024-10-31 21:56:14,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:14,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334188615] [2024-10-31 21:56:14,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:14,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:15,062 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:15,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:15,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:15,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:15,095 INFO L85 PathProgramCache]: Analyzing trace with hash 3363, now seen corresponding path program 1 times [2024-10-31 21:56:15,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:15,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676704090] [2024-10-31 21:56:15,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:15,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:15,109 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:15,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:15,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:15,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:15,132 INFO L85 PathProgramCache]: Analyzing trace with hash 85954242, now seen corresponding path program 1 times [2024-10-31 21:56:15,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:15,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075156857] [2024-10-31 21:56:15,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:15,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:15,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:15,173 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:15,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:15,200 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:15,528 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:15,528 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:15,529 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:15,529 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:15,529 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:15,529 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:15,529 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:15,530 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:15,530 INFO L132 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration1_Lasso [2024-10-31 21:56:15,530 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:15,530 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:15,553 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:15,565 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:15,568 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:15,571 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:15,577 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:15,582 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:15,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:16,015 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:16,020 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:16,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,022 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,024 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,026 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 21:56:16,027 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 [2024-10-31 21:56:16,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,043 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:16,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,047 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:16,047 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:16,050 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 21:56:16,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,074 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 21:56:16,076 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 [2024-10-31 21:56:16,092 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,092 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:16,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,093 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:16,095 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:16,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,122 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 21:56:16,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,125 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 21:56:16,127 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 [2024-10-31 21:56:16,137 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:16,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,139 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:16,139 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:16,141 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,161 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:16,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,166 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 21:56:16,171 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 [2024-10-31 21:56:16,185 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:16,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,186 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,187 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:16,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:16,189 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,207 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 21:56:16,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,210 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,211 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 21:56:16,213 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 [2024-10-31 21:56:16,228 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,228 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:16,228 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,228 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,228 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,229 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:16,229 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:16,231 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 21:56:16,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,252 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 21:56:16,255 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 [2024-10-31 21:56:16,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,270 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:16,270 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,272 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:16,272 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:16,277 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,294 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 21:56:16,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,296 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,298 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 21:56:16,301 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 [2024-10-31 21:56:16,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:16,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,316 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,316 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,317 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:16,317 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:16,319 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,336 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 21:56:16,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,341 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 21:56:16,344 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 [2024-10-31 21:56:16,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,358 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 21:56:16,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,364 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 21:56:16,365 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:16,378 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,397 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 21:56:16,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,399 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,401 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 21:56:16,402 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 [2024-10-31 21:56:16,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,420 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:16,420 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:16,427 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:16,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,450 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 21:56:16,454 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 [2024-10-31 21:56:16,468 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,469 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,474 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:16,474 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:16,481 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:16,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:16,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,503 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 21:56:16,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:16,520 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:16,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:16,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:16,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:16,527 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:16,527 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:16,541 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:16,570 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2024-10-31 21:56:16,570 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2024-10-31 21:56:16,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:16,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:16,580 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:16,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 21:56:16,582 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:16,600 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:56:16,600 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:16,601 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0#1, ULTIMATE.start_main_~i~1#1) = 1*ULTIMATE.start_main_~n~0#1 - 1*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-10-31 21:56:16,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 21:56:16,632 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 21:56:16,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:16,680 INFO L255 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 21:56:16,681 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:16,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:16,701 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:56:16,701 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:16,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:16,764 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-10-31 21:56:16,766 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:16,827 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 26 states have internal predecessors, (37), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3). Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 62 states and 85 transitions. Complement of second has 7 states. [2024-10-31 21:56:16,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:16,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:16,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions. [2024-10-31 21:56:16,838 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 3 letters. Loop has 2 letters. [2024-10-31 21:56:16,838 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:16,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 5 letters. Loop has 2 letters. [2024-10-31 21:56:16,839 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:16,839 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 44 transitions. Stem has 3 letters. Loop has 4 letters. [2024-10-31 21:56:16,840 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:16,841 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 62 states and 85 transitions. [2024-10-31 21:56:16,849 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-10-31 21:56:16,858 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 62 states to 28 states and 39 transitions. [2024-10-31 21:56:16,859 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 25 [2024-10-31 21:56:16,860 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2024-10-31 21:56:16,860 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 39 transitions. [2024-10-31 21:56:16,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:16,862 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 39 transitions. [2024-10-31 21:56:16,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 39 transitions. [2024-10-31 21:56:16,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-31 21:56:16,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 24 states have internal predecessors, (34), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:56:16,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 39 transitions. [2024-10-31 21:56:16,911 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 39 transitions. [2024-10-31 21:56:16,912 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 39 transitions. [2024-10-31 21:56:16,912 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 21:56:16,912 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 39 transitions. [2024-10-31 21:56:16,913 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-10-31 21:56:16,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:16,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:16,914 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 21:56:16,914 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:16,914 INFO L745 eck$LassoCheckResult]: Stem: 164#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 147#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 148#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 150#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 151#L40-4 havoc main_~i~1#1; 137#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 138#$Ultimate##0 [2024-10-31 21:56:16,914 INFO L747 eck$LassoCheckResult]: Loop: 138#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 159#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 141#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 138#$Ultimate##0 [2024-10-31 21:56:16,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:16,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1630387501, now seen corresponding path program 1 times [2024-10-31 21:56:16,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:16,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850606848] [2024-10-31 21:56:16,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:16,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:17,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:17,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:17,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850606848] [2024-10-31 21:56:17,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1850606848] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:17,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:17,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 21:56:17,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979152371] [2024-10-31 21:56:17,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:17,050 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:17,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,051 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 1 times [2024-10-31 21:56:17,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919781857] [2024-10-31 21:56:17,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,075 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:17,325 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 21:56:17,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:17,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 21:56:17,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 21:56:17,408 INFO L87 Difference]: Start difference. First operand 28 states and 39 transitions. cyclomatic complexity: 15 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:17,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:17,433 INFO L93 Difference]: Finished difference Result 29 states and 37 transitions. [2024-10-31 21:56:17,433 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 37 transitions. [2024-10-31 21:56:17,435 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-10-31 21:56:17,436 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 29 states and 37 transitions. [2024-10-31 21:56:17,436 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2024-10-31 21:56:17,437 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2024-10-31 21:56:17,437 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 37 transitions. [2024-10-31 21:56:17,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:17,437 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 37 transitions. [2024-10-31 21:56:17,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 37 transitions. [2024-10-31 21:56:17,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-10-31 21:56:17,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 24 states have (on average 1.2916666666666667) internal successors, (31), 24 states have internal predecessors, (31), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:56:17,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 36 transitions. [2024-10-31 21:56:17,441 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-10-31 21:56:17,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 21:56:17,442 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 36 transitions. [2024-10-31 21:56:17,442 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 21:56:17,443 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 36 transitions. [2024-10-31 21:56:17,443 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-10-31 21:56:17,444 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:17,444 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:17,444 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:17,444 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:17,445 INFO L745 eck$LassoCheckResult]: Stem: 227#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 210#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 211#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 213#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 214#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 215#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 216#L40-4 havoc main_~i~1#1; 200#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 201#$Ultimate##0 [2024-10-31 21:56:17,445 INFO L747 eck$LassoCheckResult]: Loop: 201#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 222#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 204#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 201#$Ultimate##0 [2024-10-31 21:56:17,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,446 INFO L85 PathProgramCache]: Analyzing trace with hash 862387761, now seen corresponding path program 1 times [2024-10-31 21:56:17,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099648836] [2024-10-31 21:56:17,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,470 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:17,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:17,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,497 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 2 times [2024-10-31 21:56:17,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501830465] [2024-10-31 21:56:17,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,508 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:17,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:17,517 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:17,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:17,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1100576510, now seen corresponding path program 1 times [2024-10-31 21:56:17,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:17,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193358587] [2024-10-31 21:56:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:17,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:17,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:17,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193358587] [2024-10-31 21:56:17,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193358587] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:17,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043904061] [2024-10-31 21:56:17,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:17,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:17,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:17,711 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:17,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-31 21:56:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:17,781 INFO L255 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:56:17,782 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:17,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:17,824 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:17,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:17,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043904061] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:17,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:17,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-10-31 21:56:17,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474395930] [2024-10-31 21:56:17,899 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:18,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:18,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 21:56:18,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-10-31 21:56:18,152 INFO L87 Difference]: Start difference. First operand 28 states and 36 transitions. cyclomatic complexity: 12 Second operand has 8 states, 7 states have (on average 1.7142857142857142) internal successors, (12), 7 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:18,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:18,243 INFO L93 Difference]: Finished difference Result 37 states and 45 transitions. [2024-10-31 21:56:18,243 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 45 transitions. [2024-10-31 21:56:18,245 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-10-31 21:56:18,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 31 states and 39 transitions. [2024-10-31 21:56:18,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 26 [2024-10-31 21:56:18,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 26 [2024-10-31 21:56:18,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2024-10-31 21:56:18,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 21:56:18,249 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2024-10-31 21:56:18,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2024-10-31 21:56:18,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2024-10-31 21:56:18,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 26 states have internal predecessors, (33), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:56:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2024-10-31 21:56:18,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-10-31 21:56:18,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 21:56:18,259 INFO L425 stractBuchiCegarLoop]: Abstraction has 30 states and 38 transitions. [2024-10-31 21:56:18,259 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 21:56:18,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 38 transitions. [2024-10-31 21:56:18,260 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-10-31 21:56:18,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:18,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:18,261 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:18,261 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:18,261 INFO L745 eck$LassoCheckResult]: Stem: 368#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 350#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 351#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 353#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 354#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 355#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 356#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 369#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 367#L40-4 havoc main_~i~1#1; 340#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 341#$Ultimate##0 [2024-10-31 21:56:18,261 INFO L747 eck$LassoCheckResult]: Loop: 341#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 362#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 343#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 341#$Ultimate##0 [2024-10-31 21:56:18,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:18,262 INFO L85 PathProgramCache]: Analyzing trace with hash -172336625, now seen corresponding path program 2 times [2024-10-31 21:56:18,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:18,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033884340] [2024-10-31 21:56:18,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:18,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:18,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:18,298 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:18,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:18,299 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 3 times [2024-10-31 21:56:18,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:18,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245733926] [2024-10-31 21:56:18,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:18,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:18,305 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:18,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:18,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:18,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1594476444, now seen corresponding path program 2 times [2024-10-31 21:56:18,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:18,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011412974] [2024-10-31 21:56:18,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:18,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:18,330 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:18,347 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:19,297 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:19,297 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:19,297 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:19,297 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:19,297 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:19,297 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:19,297 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:19,297 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:19,298 INFO L132 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration4_Lasso [2024-10-31 21:56:19,298 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:19,298 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:19,302 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,309 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,312 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,315 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,317 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,320 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,323 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,326 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,334 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,343 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,354 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,357 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,362 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,365 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,373 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,378 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,381 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,384 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,386 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,389 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,397 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,402 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,674 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,683 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:19,687 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:20,221 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:20,221 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:20,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,224 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 21:56:20,227 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 [2024-10-31 21:56:20,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,242 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 21:56:20,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,256 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 21:56:20,258 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 [2024-10-31 21:56:20,269 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,270 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,270 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,270 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,272 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,287 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,289 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 21:56:20,291 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 [2024-10-31 21:56:20,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,303 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,303 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,303 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,303 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,304 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,304 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,306 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,328 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 21:56:20,330 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 [2024-10-31 21:56:20,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,346 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,346 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,347 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,350 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,368 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 21:56:20,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,370 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,372 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 21:56:20,409 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 [2024-10-31 21:56:20,424 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,424 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,424 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,425 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,425 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,426 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,426 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,430 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,455 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,459 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 21:56:20,470 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 [2024-10-31 21:56:20,495 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,495 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,495 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,495 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,495 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,496 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,496 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,502 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,525 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-10-31 21:56:20,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,526 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,528 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 21:56:20,532 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 [2024-10-31 21:56:20,546 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,547 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,547 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,550 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,573 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,583 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,584 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 21:56:20,588 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 [2024-10-31 21:56:20,617 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,617 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,617 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,617 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,617 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,618 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,618 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,627 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,652 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,655 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 21:56:20,657 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 [2024-10-31 21:56:20,671 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,671 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,671 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,672 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,672 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 21:56:20,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,695 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 21:56:20,698 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 [2024-10-31 21:56:20,712 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,712 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,713 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,713 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,714 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,716 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-10-31 21:56:20,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,737 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 21:56:20,747 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 [2024-10-31 21:56:20,770 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,771 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,771 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,771 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,771 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,774 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,776 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,798 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 21:56:20,801 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 [2024-10-31 21:56:20,814 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,814 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,814 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,814 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,815 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,815 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,815 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,817 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,830 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 21:56:20,834 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 [2024-10-31 21:56:20,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,850 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,862 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,864 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,866 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 [2024-10-31 21:56:20,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 21:56:20,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,880 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,894 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 21:56:20,897 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 [2024-10-31 21:56:20,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,910 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:20,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,925 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 21:56:20,927 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 [2024-10-31 21:56:20,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,938 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,939 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,941 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2024-10-31 21:56:20,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,961 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 21:56:20,963 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 [2024-10-31 21:56:20,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:20,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:20,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:20,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:20,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:20,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:20,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:20,978 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:20,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 21:56:20,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:20,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:20,992 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:20,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 21:56:20,995 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 [2024-10-31 21:56:21,006 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,006 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,006 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,006 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,007 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,007 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,009 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,023 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 21:56:21,025 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 [2024-10-31 21:56:21,037 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,037 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,037 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,037 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,038 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,038 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,041 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,053 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 21:56:21,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,055 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 21:56:21,057 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 [2024-10-31 21:56:21,068 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,069 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,069 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,093 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 21:56:21,096 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 [2024-10-31 21:56:21,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,110 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,111 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,111 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,113 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,134 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 21:56:21,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:21,151 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,152 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,152 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,152 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,152 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,153 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,153 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,157 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,176 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,177 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 21:56:21,180 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 [2024-10-31 21:56:21,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,194 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,195 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,196 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,198 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,215 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,216 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,218 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 21:56:21,219 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 [2024-10-31 21:56:21,234 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,234 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,234 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,234 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,234 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,235 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,235 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,242 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2024-10-31 21:56:21,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,262 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 21:56:21,265 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 [2024-10-31 21:56:21,279 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,279 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,285 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 21:56:21,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,305 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 21:56:21,308 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:21,322 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,323 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,326 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,348 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 21:56:21,351 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 [2024-10-31 21:56:21,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,365 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,366 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,366 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,367 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,367 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,371 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,390 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,392 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 21:56:21,394 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 [2024-10-31 21:56:21,408 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,409 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,409 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,409 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,409 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,409 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,409 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,415 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2024-10-31 21:56:21,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,436 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 21:56:21,441 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 [2024-10-31 21:56:21,456 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,457 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,458 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,458 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,462 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,482 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 21:56:21,485 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 [2024-10-31 21:56:21,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,499 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,502 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2024-10-31 21:56:21,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,522 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 21:56:21,526 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 [2024-10-31 21:56:21,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,541 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,542 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,543 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,561 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,562 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,564 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,566 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 21:56:21,569 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 [2024-10-31 21:56:21,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,583 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,584 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,584 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,586 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2024-10-31 21:56:21,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,606 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 21:56:21,609 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 [2024-10-31 21:56:21,623 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,623 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,623 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,623 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,623 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,624 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,624 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,628 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,648 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 21:56:21,650 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 [2024-10-31 21:56:21,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,665 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,668 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,686 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 21:56:21,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,688 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 21:56:21,690 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 [2024-10-31 21:56:21,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,705 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,706 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,706 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,708 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,728 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 21:56:21,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:21,744 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,744 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:21,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,744 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:21,745 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:21,746 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Ended with exit code 0 [2024-10-31 21:56:21,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,766 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 21:56:21,768 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 [2024-10-31 21:56:21,782 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,782 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,782 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,785 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:21,785 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:21,792 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Ended with exit code 0 [2024-10-31 21:56:21,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,812 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 21:56:21,815 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:21,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,834 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:21,834 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:21,840 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,862 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 21:56:21,864 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 [2024-10-31 21:56:21,878 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,878 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2024-10-31 21:56:21,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,879 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,881 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2024-10-31 21:56:21,881 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:21,887 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,905 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,906 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,907 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 21:56:21,910 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 [2024-10-31 21:56:21,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,928 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:21,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:21,935 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:21,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:21,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:21,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:21,956 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:21,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 21:56:21,960 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 [2024-10-31 21:56:21,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:21,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:21,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:21,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:21,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:21,987 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:22,009 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:22,026 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2024-10-31 21:56:22,027 INFO L444 ModelExtractionUtils]: 10 out of 16 variables were initially zero. Simplification set additionally 4 variables to zero. [2024-10-31 21:56:22,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:22,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:22,029 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:22,031 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:22,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 21:56:22,050 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:56:22,050 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:22,051 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_#in~n#1) = 1*merge_sort_#in~n#1 Supporting invariants [] [2024-10-31 21:56:22,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:22,075 INFO L156 tatePredicateManager]: 2 out of 2 supporting invariants were superfluous and have been removed [2024-10-31 21:56:22,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:22,116 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:56:22,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:22,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:22,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:56:22,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:22,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:22,191 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2024-10-31 21:56:22,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12 Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:22,261 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 38 transitions. cyclomatic complexity: 12. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 48 states and 60 transitions. Complement of second has 16 states. [2024-10-31 21:56:22,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:22,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 21:56:22,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2024-10-31 21:56:22,263 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 3 letters. [2024-10-31 21:56:22,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:22,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 13 letters. Loop has 3 letters. [2024-10-31 21:56:22,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:22,264 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 10 letters. Loop has 6 letters. [2024-10-31 21:56:22,264 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:22,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 60 transitions. [2024-10-31 21:56:22,266 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-10-31 21:56:22,268 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 39 states and 51 transitions. [2024-10-31 21:56:22,268 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2024-10-31 21:56:22,269 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-31 21:56:22,269 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 51 transitions. [2024-10-31 21:56:22,269 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:22,269 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 51 transitions. [2024-10-31 21:56:22,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 51 transitions. [2024-10-31 21:56:22,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2024-10-31 21:56:22,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 31 states have internal predecessors, (39), 4 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2024-10-31 21:56:22,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2024-10-31 21:56:22,273 INFO L240 hiAutomatonCegarLoop]: Abstraction has 37 states and 47 transitions. [2024-10-31 21:56:22,273 INFO L425 stractBuchiCegarLoop]: Abstraction has 37 states and 47 transitions. [2024-10-31 21:56:22,273 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 21:56:22,273 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 37 states and 47 transitions. [2024-10-31 21:56:22,274 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 14 [2024-10-31 21:56:22,274 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:22,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:22,275 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:22,275 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:22,275 INFO L745 eck$LassoCheckResult]: Stem: 534#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 512#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 513#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 515#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 516#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 517#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 518#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 535#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 533#L40-4 havoc main_~i~1#1; 501#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 502#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 527#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 505#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 526#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 528#L24 assume ~n#1 < 2; 524#merge_sortFINAL assume true; 523#merge_sortEXIT >#88#return; 504#L27-1 [2024-10-31 21:56:22,275 INFO L747 eck$LassoCheckResult]: Loop: 504#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 525#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 537#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 506#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 525#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 537#L24 assume ~n#1 < 2; 514#merge_sortFINAL assume true; 536#merge_sortEXIT >#88#return; 504#L27-1 [2024-10-31 21:56:22,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:22,276 INFO L85 PathProgramCache]: Analyzing trace with hash 1352366372, now seen corresponding path program 1 times [2024-10-31 21:56:22,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:22,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076322137] [2024-10-31 21:56:22,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:22,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:22,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:22,295 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:22,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:22,311 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:22,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:22,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1121289573, now seen corresponding path program 1 times [2024-10-31 21:56:22,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:22,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694239339] [2024-10-31 21:56:22,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:22,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:22,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:22,320 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:22,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:22,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:22,328 INFO L85 PathProgramCache]: Analyzing trace with hash -526901058, now seen corresponding path program 1 times [2024-10-31 21:56:22,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:22,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94412109] [2024-10-31 21:56:22,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:22,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:22,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-31 21:56:22,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 21:56:22,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:22,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-31 21:56:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:22,794 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:56:22,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:22,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94412109] [2024-10-31 21:56:22,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94412109] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:22,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [564228297] [2024-10-31 21:56:22,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:22,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:22,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:22,797 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:22,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-10-31 21:56:22,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:22,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-31 21:56:22,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:22,957 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 13 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:22,957 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:23,088 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 10 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-31 21:56:23,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [564228297] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:23,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:23,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 15 [2024-10-31 21:56:23,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336362377] [2024-10-31 21:56:23,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:23,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:23,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-31 21:56:23,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=171, Unknown=0, NotChecked=0, Total=210 [2024-10-31 21:56:23,630 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. cyclomatic complexity: 15 Second operand has 15 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 12 states have internal predecessors, (25), 5 states have call successors, (10), 5 states have call predecessors, (10), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-31 21:56:23,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:23,933 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions. [2024-10-31 21:56:23,937 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 93 transitions. [2024-10-31 21:56:23,939 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 25 [2024-10-31 21:56:23,940 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 70 states and 88 transitions. [2024-10-31 21:56:23,940 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 57 [2024-10-31 21:56:23,942 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 60 [2024-10-31 21:56:23,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 88 transitions. [2024-10-31 21:56:23,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:23,946 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 88 transitions. [2024-10-31 21:56:23,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 88 transitions. [2024-10-31 21:56:23,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 67. [2024-10-31 21:56:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 7 states have call successors, (7), 6 states have call predecessors, (7), 5 states have return successors, (8), 4 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-31 21:56:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2024-10-31 21:56:23,953 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 83 transitions. [2024-10-31 21:56:23,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-31 21:56:23,957 INFO L425 stractBuchiCegarLoop]: Abstraction has 67 states and 83 transitions. [2024-10-31 21:56:23,957 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 21:56:23,957 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 83 transitions. [2024-10-31 21:56:23,958 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 24 [2024-10-31 21:56:23,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:23,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:23,959 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:23,959 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:23,960 INFO L745 eck$LassoCheckResult]: Stem: 835#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 808#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 809#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 811#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 812#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 813#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 814#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 861#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 851#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 850#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 849#L40-4 havoc main_~i~1#1; 802#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 844#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 828#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 804#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 823#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 827#L24 assume ~n#1 < 2; 832#merge_sortFINAL assume true; 819#merge_sortEXIT >#88#return; 803#L27-1 [2024-10-31 21:56:23,960 INFO L747 eck$LassoCheckResult]: Loop: 803#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 822#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 860#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 801#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 822#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 860#L24 assume ~n#1 < 2; 820#merge_sortFINAL assume true; 821#merge_sortEXIT >#88#return; 803#L27-1 [2024-10-31 21:56:23,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1854838534, now seen corresponding path program 2 times [2024-10-31 21:56:23,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:23,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103091503] [2024-10-31 21:56:23,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:23,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:23,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:23,983 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:23,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:24,004 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:24,007 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:24,007 INFO L85 PathProgramCache]: Analyzing trace with hash -1121289573, now seen corresponding path program 2 times [2024-10-31 21:56:24,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:24,007 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531753656] [2024-10-31 21:56:24,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:24,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:24,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:24,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:24,023 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:24,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:24,023 INFO L85 PathProgramCache]: Analyzing trace with hash 8928416, now seen corresponding path program 2 times [2024-10-31 21:56:24,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:24,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795860368] [2024-10-31 21:56:24,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:24,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:24,065 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:24,098 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:25,718 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:25,718 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:25,718 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:25,718 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:25,718 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:25,718 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:25,718 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:25,719 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:25,719 INFO L132 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration6_Lasso [2024-10-31 21:56:25,719 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:25,719 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:25,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,740 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,752 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,758 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,763 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,772 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,776 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,794 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,796 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,802 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,805 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:25,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,060 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,062 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,068 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:26,583 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:26,583 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:26,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,586 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 21:56:26,588 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 [2024-10-31 21:56:26,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,599 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,600 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,600 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,601 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,613 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-31 21:56:26,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,614 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 21:56:26,616 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 [2024-10-31 21:56:26,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,627 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,627 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,627 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,629 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2024-10-31 21:56:26,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,643 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2024-10-31 21:56:26,644 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 [2024-10-31 21:56:26,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,657 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2024-10-31 21:56:26,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,671 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2024-10-31 21:56:26,672 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 [2024-10-31 21:56:26,683 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,683 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,683 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,683 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,683 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,684 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,684 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,685 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,696 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2024-10-31 21:56:26,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,698 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2024-10-31 21:56:26,699 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 [2024-10-31 21:56:26,710 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,710 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,710 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,711 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,711 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,712 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,723 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2024-10-31 21:56:26,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,725 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2024-10-31 21:56:26,727 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 [2024-10-31 21:56:26,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,739 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,739 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,740 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,753 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2024-10-31 21:56:26,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,754 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2024-10-31 21:56:26,756 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 [2024-10-31 21:56:26,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,767 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,768 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,768 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,769 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:26,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,783 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2024-10-31 21:56:26,785 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 [2024-10-31 21:56:26,795 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,796 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,796 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,796 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,798 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:26,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,812 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,815 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2024-10-31 21:56:26,816 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 [2024-10-31 21:56:26,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,831 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,831 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,835 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:26,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,856 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2024-10-31 21:56:26,858 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 [2024-10-31 21:56:26,873 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,873 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,873 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,873 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,873 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,874 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,874 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,876 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,894 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2024-10-31 21:56:26,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,896 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2024-10-31 21:56:26,898 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 [2024-10-31 21:56:26,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,913 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,913 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,913 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,914 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,918 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2024-10-31 21:56:26,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,939 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2024-10-31 21:56:26,941 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 [2024-10-31 21:56:26,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,956 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,956 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:26,960 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:26,977 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2024-10-31 21:56:26,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:26,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:26,980 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:26,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2024-10-31 21:56:26,982 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 [2024-10-31 21:56:26,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:26,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:26,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:26,998 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:26,998 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:26,999 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:26,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,002 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,020 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,022 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2024-10-31 21:56:27,027 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 [2024-10-31 21:56:27,041 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,042 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,042 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,046 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,061 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2024-10-31 21:56:27,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,063 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2024-10-31 21:56:27,064 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 [2024-10-31 21:56:27,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,077 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,091 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,092 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2024-10-31 21:56:27,092 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 [2024-10-31 21:56:27,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,104 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,104 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,105 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,119 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2024-10-31 21:56:27,121 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 [2024-10-31 21:56:27,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,135 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,135 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,136 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,137 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,149 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2024-10-31 21:56:27,150 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 [2024-10-31 21:56:27,161 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,161 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,161 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,161 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,161 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,162 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,162 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,163 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,176 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2024-10-31 21:56:27,177 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 [2024-10-31 21:56:27,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,189 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,190 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,201 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2024-10-31 21:56:27,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,202 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2024-10-31 21:56:27,204 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 [2024-10-31 21:56:27,214 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,214 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,214 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,215 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,215 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,215 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,215 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,216 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2024-10-31 21:56:27,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,230 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2024-10-31 21:56:27,231 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 [2024-10-31 21:56:27,243 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,243 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,243 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,243 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,244 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,244 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,245 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,258 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2024-10-31 21:56:27,259 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 [2024-10-31 21:56:27,270 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,271 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,271 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,271 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,271 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,271 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,271 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,273 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,284 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2024-10-31 21:56:27,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,285 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2024-10-31 21:56:27,286 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 [2024-10-31 21:56:27,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,297 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,298 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,298 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,299 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,312 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2024-10-31 21:56:27,313 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 [2024-10-31 21:56:27,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,328 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,328 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,328 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,328 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,329 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,329 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,330 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2024-10-31 21:56:27,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,348 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,350 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:27,350 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2024-10-31 21:56:27,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,361 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,361 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,361 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,361 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,361 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,363 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,375 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2024-10-31 21:56:27,377 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 [2024-10-31 21:56:27,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,388 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,388 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,388 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,389 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,400 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2024-10-31 21:56:27,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,402 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2024-10-31 21:56:27,403 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 [2024-10-31 21:56:27,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,414 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,415 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,415 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,416 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,430 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2024-10-31 21:56:27,431 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 [2024-10-31 21:56:27,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,443 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,443 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,443 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,445 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,457 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2024-10-31 21:56:27,460 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:27,470 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,470 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,471 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,471 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,471 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,473 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Ended with exit code 0 [2024-10-31 21:56:27,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,486 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2024-10-31 21:56:27,487 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 [2024-10-31 21:56:27,498 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,498 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:27,498 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,498 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,498 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,499 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:27,499 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:27,500 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:27,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2024-10-31 21:56:27,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,512 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,513 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2024-10-31 21:56:27,515 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 [2024-10-31 21:56:27,527 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:27,527 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:27,527 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:27,527 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:27,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:27,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:27,558 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:27,614 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2024-10-31 21:56:27,615 INFO L444 ModelExtractionUtils]: 0 out of 25 variables were initially zero. Simplification set additionally 22 variables to zero. [2024-10-31 21:56:27,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:27,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:27,617 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:27,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2024-10-31 21:56:27,619 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:27,634 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:56:27,634 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:27,635 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_~m~0#1, merge_sort_~n#1) = -1*merge_sort_~m~0#1 + 1*merge_sort_~n#1 Supporting invariants [] [2024-10-31 21:56:27,652 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:27,655 INFO L156 tatePredicateManager]: 1 out of 1 supporting invariants were superfluous and have been removed [2024-10-31 21:56:27,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:27,708 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:56:27,710 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:27,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:27,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-10-31 21:56:27,831 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:27,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:27,913 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2024-10-31 21:56:27,913 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 67 states and 83 transitions. cyclomatic complexity: 23 Second operand has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:56:28,097 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 67 states and 83 transitions. cyclomatic complexity: 23. Second operand has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Result 194 states and 262 transitions. Complement of second has 28 states. [2024-10-31 21:56:28,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 2 stem states 4 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:28,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 5 states have (on average 3.4) internal successors, (17), 5 states have internal predecessors, (17), 3 states have call successors, (4), 4 states have call predecessors, (4), 2 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-10-31 21:56:28,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 51 transitions. [2024-10-31 21:56:28,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 51 transitions. Stem has 19 letters. Loop has 8 letters. [2024-10-31 21:56:28,099 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:28,099 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 51 transitions. Stem has 27 letters. Loop has 8 letters. [2024-10-31 21:56:28,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:28,100 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 51 transitions. Stem has 19 letters. Loop has 16 letters. [2024-10-31 21:56:28,100 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:28,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 194 states and 262 transitions. [2024-10-31 21:56:28,105 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 48 [2024-10-31 21:56:28,109 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 194 states to 181 states and 249 transitions. [2024-10-31 21:56:28,110 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 115 [2024-10-31 21:56:28,110 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 118 [2024-10-31 21:56:28,110 INFO L73 IsDeterministic]: Start isDeterministic. Operand 181 states and 249 transitions. [2024-10-31 21:56:28,110 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:28,110 INFO L218 hiAutomatonCegarLoop]: Abstraction has 181 states and 249 transitions. [2024-10-31 21:56:28,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states and 249 transitions. [2024-10-31 21:56:28,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 161. [2024-10-31 21:56:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 131 states have (on average 1.282442748091603) internal successors, (168), 132 states have internal predecessors, (168), 19 states have call successors, (21), 13 states have call predecessors, (21), 11 states have return successors, (22), 15 states have call predecessors, (22), 17 states have call successors, (22) [2024-10-31 21:56:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 211 transitions. [2024-10-31 21:56:28,125 INFO L240 hiAutomatonCegarLoop]: Abstraction has 161 states and 211 transitions. [2024-10-31 21:56:28,125 INFO L425 stractBuchiCegarLoop]: Abstraction has 161 states and 211 transitions. [2024-10-31 21:56:28,125 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 21:56:28,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 161 states and 211 transitions. [2024-10-31 21:56:28,127 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 48 [2024-10-31 21:56:28,127 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:28,127 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:28,128 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:28,128 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2024-10-31 21:56:28,128 INFO L745 eck$LassoCheckResult]: Stem: 1260#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1215#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 1216#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 1219#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 1220#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1221#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 1222#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1285#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 1259#L40-4 havoc main_~i~1#1; 1196#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1197#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1316#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 1311#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 1312#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1317#L24 assume ~n#1 < 2; 1315#merge_sortFINAL assume true; 1310#merge_sortEXIT >#88#return; 1304#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 1305#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1309#L24 assume ~n#1 < 2; 1308#merge_sortFINAL assume true; 1303#merge_sortEXIT >#90#return; 1301#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 1298#L11-3 [2024-10-31 21:56:28,128 INFO L747 eck$LassoCheckResult]: Loop: 1298#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 1299#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post2#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post2#1;call merge_#t~mem3#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post2#1, 4);merge_#t~ite14#1 := merge_#t~mem3#1; 1302#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 1300#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 1298#L11-3 [2024-10-31 21:56:28,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:28,129 INFO L85 PathProgramCache]: Analyzing trace with hash 178168560, now seen corresponding path program 1 times [2024-10-31 21:56:28,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:28,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106143986] [2024-10-31 21:56:28,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:28,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,158 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:28,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:28,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:28,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1388838, now seen corresponding path program 1 times [2024-10-31 21:56:28,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:28,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563274256] [2024-10-31 21:56:28,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:28,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,189 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,193 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:28,194 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:28,194 INFO L85 PathProgramCache]: Analyzing trace with hash -2084911979, now seen corresponding path program 1 times [2024-10-31 21:56:28,194 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:28,194 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650866130] [2024-10-31 21:56:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:28,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:28,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:28,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 21:56:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:28,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 21:56:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:28,381 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-31 21:56:28,382 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:28,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650866130] [2024-10-31 21:56:28,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650866130] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:28,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:28,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:28,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963189459] [2024-10-31 21:56:28,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:28,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:28,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:28,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:28,505 INFO L87 Difference]: Start difference. First operand 161 states and 211 transitions. cyclomatic complexity: 68 Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:56:28,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:28,615 INFO L93 Difference]: Finished difference Result 235 states and 314 transitions. [2024-10-31 21:56:28,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 235 states and 314 transitions. [2024-10-31 21:56:28,619 INFO L131 ngComponentsAnalysis]: Automaton has 14 accepting balls. 82 [2024-10-31 21:56:28,623 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 235 states to 235 states and 314 transitions. [2024-10-31 21:56:28,623 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 155 [2024-10-31 21:56:28,624 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 155 [2024-10-31 21:56:28,624 INFO L73 IsDeterministic]: Start isDeterministic. Operand 235 states and 314 transitions. [2024-10-31 21:56:28,625 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:28,626 INFO L218 hiAutomatonCegarLoop]: Abstraction has 235 states and 314 transitions. [2024-10-31 21:56:28,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states and 314 transitions. [2024-10-31 21:56:28,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 197. [2024-10-31 21:56:28,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 167 states have (on average 1.2574850299401197) internal successors, (210), 168 states have internal predecessors, (210), 19 states have call successors, (21), 13 states have call predecessors, (21), 11 states have return successors, (22), 15 states have call predecessors, (22), 17 states have call successors, (22) [2024-10-31 21:56:28,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 253 transitions. [2024-10-31 21:56:28,649 INFO L240 hiAutomatonCegarLoop]: Abstraction has 197 states and 253 transitions. [2024-10-31 21:56:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:28,654 INFO L425 stractBuchiCegarLoop]: Abstraction has 197 states and 253 transitions. [2024-10-31 21:56:28,654 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 21:56:28,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 197 states and 253 transitions. [2024-10-31 21:56:28,656 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 72 [2024-10-31 21:56:28,656 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:28,656 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:28,657 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:28,657 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:28,657 INFO L745 eck$LassoCheckResult]: Stem: 1697#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1640#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 1641#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 1647#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 1648#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1649#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 1650#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 1701#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 1702#L40-4 havoc main_~i~1#1; 1612#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 1613#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1737#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 1733#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 1734#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1738#L24 assume ~n#1 < 2; 1736#merge_sortFINAL assume true; 1732#merge_sortEXIT >#88#return; 1729#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 1730#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 1735#L24 assume ~n#1 < 2; 1731#merge_sortFINAL assume true; 1728#merge_sortEXIT >#90#return; 1727#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 1721#L11-3 [2024-10-31 21:56:28,657 INFO L747 eck$LassoCheckResult]: Loop: 1721#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 1722#L12 assume !(merge_~j~0#1 == merge_~n#1); 1746#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem6#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 1751#L14 assume !(merge_#t~mem6#1 < merge_#t~mem7#1);merge_#t~post10#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post10#1;call merge_#t~mem11#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post10#1, 4);merge_#t~ite12#1 := merge_#t~mem11#1; 1752#L14-2 merge_#t~ite13#1 := merge_#t~ite12#1; 1747#L13-2 merge_#t~ite14#1 := merge_#t~ite13#1; 1739#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 1740#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 1721#L11-3 [2024-10-31 21:56:28,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:28,658 INFO L85 PathProgramCache]: Analyzing trace with hash 178168560, now seen corresponding path program 2 times [2024-10-31 21:56:28,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:28,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809636960] [2024-10-31 21:56:28,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:28,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:28,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,687 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:28,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:28,688 INFO L85 PathProgramCache]: Analyzing trace with hash -120477233, now seen corresponding path program 1 times [2024-10-31 21:56:28,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:28,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155311562] [2024-10-31 21:56:28,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:28,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,694 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:28,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,700 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:28,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:28,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1066528190, now seen corresponding path program 1 times [2024-10-31 21:56:28,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:28,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323300918] [2024-10-31 21:56:28,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:28,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,735 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:28,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:28,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:28,811 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2024-10-31 21:56:30,648 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:30,648 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:30,648 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:30,648 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:30,648 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:30,648 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:30,648 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:30,648 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:30,648 INFO L132 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration8_Lasso [2024-10-31 21:56:30,648 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:30,648 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:30,652 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,336 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,341 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,346 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,352 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,358 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,363 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,366 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,368 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,376 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,379 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,382 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,385 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,387 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,390 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,393 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,395 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,398 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,400 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,403 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,405 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,408 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,414 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,420 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,428 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:31,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:32,179 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:32,179 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:32,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:32,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:32,184 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:32,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2024-10-31 21:56:32,186 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:32,198 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:32,198 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:32,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:32,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:32,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:32,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:32,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:32,201 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:32,212 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2024-10-31 21:56:32,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:32,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:32,213 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:32,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2024-10-31 21:56:32,216 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 [2024-10-31 21:56:32,227 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:32,227 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:32,227 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:32,227 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:32,229 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:32,229 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:32,233 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:32,246 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Ended with exit code 0 [2024-10-31 21:56:32,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:32,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:32,247 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:32,248 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2024-10-31 21:56:32,249 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 [2024-10-31 21:56:32,260 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:32,261 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:32,261 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:32,261 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:32,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:32,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:32,274 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:32,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Ended with exit code 0 [2024-10-31 21:56:32,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:32,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:32,288 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:32,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2024-10-31 21:56:32,289 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 [2024-10-31 21:56:32,301 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:32,301 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:32,301 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2024-10-31 21:56:32,301 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:32,382 INFO L401 nArgumentSynthesizer]: We have 48 Motzkin's Theorem applications. [2024-10-31 21:56:32,382 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2024-10-31 21:56:32,755 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:33,183 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2024-10-31 21:56:33,184 INFO L444 ModelExtractionUtils]: 11 out of 100 variables were initially zero. Simplification set additionally 86 variables to zero. [2024-10-31 21:56:33,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:33,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:33,186 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:33,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2024-10-31 21:56:33,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:33,205 INFO L438 nArgumentSynthesizer]: Removed 8 redundant supporting invariants from a total of 8. [2024-10-31 21:56:33,205 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:33,205 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~n#1, merge_sort_merge_~k~0#1) = 1*merge_sort_merge_~n#1 - 1*merge_sort_merge_~k~0#1 Supporting invariants [] [2024-10-31 21:56:33,231 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2024-10-31 21:56:33,256 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2024-10-31 21:56:33,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:33,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:33,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:33,343 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:56:33,345 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:33,474 INFO L255 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:56:33,475 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:33,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:33,529 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-31 21:56:33,530 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 197 states and 253 transitions. cyclomatic complexity: 74 Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:56:33,613 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 197 states and 253 transitions. cyclomatic complexity: 74. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 415 states and 559 transitions. Complement of second has 10 states. [2024-10-31 21:56:33,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:33,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:56:33,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2024-10-31 21:56:33,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 23 letters. Loop has 8 letters. [2024-10-31 21:56:33,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:33,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 31 letters. Loop has 8 letters. [2024-10-31 21:56:33,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:33,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 23 letters. Loop has 16 letters. [2024-10-31 21:56:33,617 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:33,617 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 415 states and 559 transitions. [2024-10-31 21:56:33,624 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 62 [2024-10-31 21:56:33,630 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 415 states to 331 states and 449 transitions. [2024-10-31 21:56:33,630 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2024-10-31 21:56:33,631 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2024-10-31 21:56:33,631 INFO L73 IsDeterministic]: Start isDeterministic. Operand 331 states and 449 transitions. [2024-10-31 21:56:33,632 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:33,632 INFO L218 hiAutomatonCegarLoop]: Abstraction has 331 states and 449 transitions. [2024-10-31 21:56:33,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states and 449 transitions. [2024-10-31 21:56:33,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 271. [2024-10-31 21:56:33,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 271 states, 230 states have (on average 1.2826086956521738) internal successors, (295), 230 states have internal predecessors, (295), 26 states have call successors, (29), 18 states have call predecessors, (29), 15 states have return successors, (36), 22 states have call predecessors, (36), 24 states have call successors, (36) [2024-10-31 21:56:33,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 360 transitions. [2024-10-31 21:56:33,662 INFO L240 hiAutomatonCegarLoop]: Abstraction has 271 states and 360 transitions. [2024-10-31 21:56:33,662 INFO L425 stractBuchiCegarLoop]: Abstraction has 271 states and 360 transitions. [2024-10-31 21:56:33,662 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 21:56:33,662 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 271 states and 360 transitions. [2024-10-31 21:56:33,664 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 62 [2024-10-31 21:56:33,665 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:33,665 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:33,665 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:33,665 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:33,666 INFO L745 eck$LassoCheckResult]: Stem: 2470#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2413#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 2414#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 2419#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 2420#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2421#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 2422#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 2477#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 2466#L40-4 havoc main_~i~1#1; 2454#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 2498#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2496#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 2492#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 2493#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2497#L24 assume ~n#1 < 2; 2495#merge_sortFINAL assume true; 2491#merge_sortEXIT >#88#return; 2488#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 2489#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 2494#L24 assume ~n#1 < 2; 2490#merge_sortFINAL assume true; 2487#merge_sortEXIT >#90#return; 2486#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 2485#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 2482#L11-4 merge_~i~0#1 := 0; 2453#L17-3 [2024-10-31 21:56:33,666 INFO L747 eck$LassoCheckResult]: Loop: 2453#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem16#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem16#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem16#1; 2455#L17-2 merge_#t~post17#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post17#1;havoc merge_#t~post17#1; 2453#L17-3 [2024-10-31 21:56:33,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:33,667 INFO L85 PathProgramCache]: Analyzing trace with hash -578705235, now seen corresponding path program 1 times [2024-10-31 21:56:33,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:33,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179283197] [2024-10-31 21:56:33,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:33,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:33,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:33,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 21:56:33,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:33,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 21:56:33,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:33,781 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-31 21:56:33,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:33,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179283197] [2024-10-31 21:56:33,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179283197] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:33,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:33,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:33,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308791861] [2024-10-31 21:56:33,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:33,785 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:33,785 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:33,785 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 1 times [2024-10-31 21:56:33,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:33,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917673133] [2024-10-31 21:56:33,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:33,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:33,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:33,790 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:33,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:33,794 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:33,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:33,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:33,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:33,881 INFO L87 Difference]: Start difference. First operand 271 states and 360 transitions. cyclomatic complexity: 112 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:56:33,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:33,970 INFO L93 Difference]: Finished difference Result 395 states and 516 transitions. [2024-10-31 21:56:33,970 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 395 states and 516 transitions. [2024-10-31 21:56:33,975 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 64 [2024-10-31 21:56:33,980 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 395 states to 395 states and 516 transitions. [2024-10-31 21:56:33,980 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 189 [2024-10-31 21:56:33,981 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 189 [2024-10-31 21:56:33,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 395 states and 516 transitions. [2024-10-31 21:56:33,981 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:33,982 INFO L218 hiAutomatonCegarLoop]: Abstraction has 395 states and 516 transitions. [2024-10-31 21:56:33,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states and 516 transitions. [2024-10-31 21:56:33,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 282. [2024-10-31 21:56:33,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 238 states have (on average 1.2563025210084033) internal successors, (299), 241 states have internal predecessors, (299), 26 states have call successors, (29), 18 states have call predecessors, (29), 18 states have return successors, (42), 22 states have call predecessors, (42), 24 states have call successors, (42) [2024-10-31 21:56:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 370 transitions. [2024-10-31 21:56:33,995 INFO L240 hiAutomatonCegarLoop]: Abstraction has 282 states and 370 transitions. [2024-10-31 21:56:33,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:33,996 INFO L425 stractBuchiCegarLoop]: Abstraction has 282 states and 370 transitions. [2024-10-31 21:56:33,997 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 21:56:33,997 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 282 states and 370 transitions. [2024-10-31 21:56:33,999 INFO L131 ngComponentsAnalysis]: Automaton has 10 accepting balls. 62 [2024-10-31 21:56:33,999 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:33,999 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:34,000 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:34,000 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2024-10-31 21:56:34,000 INFO L745 eck$LassoCheckResult]: Stem: 3157#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3098#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 3099#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 3106#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 3107#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3108#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 3109#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3164#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 3110#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 3111#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 3156#L40-4 havoc main_~i~1#1; 3073#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 3190#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3149#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 3070#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 3126#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3189#L24 assume ~n#1 < 2; 3198#merge_sortFINAL assume true; 3197#merge_sortEXIT >#88#return; 3074#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 3141#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3188#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 3104#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 3259#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3260#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 3082#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 3279#$Ultimate##0 [2024-10-31 21:56:34,000 INFO L747 eck$LassoCheckResult]: Loop: 3279#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 3281#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 3085#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 3279#$Ultimate##0 [2024-10-31 21:56:34,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:34,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1524308723, now seen corresponding path program 3 times [2024-10-31 21:56:34,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:34,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [191457989] [2024-10-31 21:56:34,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:34,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:34,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 21:56:34,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:34,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:34,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [191457989] [2024-10-31 21:56:34,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [191457989] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:34,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1287293568] [2024-10-31 21:56:34,455 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 21:56:34,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:34,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:34,458 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:34,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (95)] Waiting until timeout for monitored process [2024-10-31 21:56:34,573 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-10-31 21:56:34,573 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 21:56:34,574 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-10-31 21:56:34,576 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:34,697 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:34,697 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:34,939 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:34,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1287293568] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:34,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:34,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 25 [2024-10-31 21:56:34,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901103610] [2024-10-31 21:56:34,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:34,940 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:34,941 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:34,941 INFO L85 PathProgramCache]: Analyzing trace with hash 30002, now seen corresponding path program 4 times [2024-10-31 21:56:34,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:34,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851766466] [2024-10-31 21:56:34,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:34,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:34,945 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:34,949 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:35,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:35,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-31 21:56:35,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=507, Unknown=0, NotChecked=0, Total=600 [2024-10-31 21:56:35,153 INFO L87 Difference]: Start difference. First operand 282 states and 370 transitions. cyclomatic complexity: 111 Second operand has 25 states, 20 states have (on average 1.85) internal successors, (37), 20 states have internal predecessors, (37), 7 states have call successors, (10), 7 states have call predecessors, (10), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-10-31 21:56:35,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:35,831 INFO L93 Difference]: Finished difference Result 493 states and 646 transitions. [2024-10-31 21:56:35,831 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 493 states and 646 transitions. [2024-10-31 21:56:35,837 INFO L131 ngComponentsAnalysis]: Automaton has 16 accepting balls. 112 [2024-10-31 21:56:35,842 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 493 states to 485 states and 637 transitions. [2024-10-31 21:56:35,843 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 278 [2024-10-31 21:56:35,843 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 292 [2024-10-31 21:56:35,843 INFO L73 IsDeterministic]: Start isDeterministic. Operand 485 states and 637 transitions. [2024-10-31 21:56:35,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:35,844 INFO L218 hiAutomatonCegarLoop]: Abstraction has 485 states and 637 transitions. [2024-10-31 21:56:35,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states and 637 transitions. [2024-10-31 21:56:35,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 450. [2024-10-31 21:56:35,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 378 states have (on average 1.2486772486772486) internal successors, (472), 382 states have internal predecessors, (472), 42 states have call successors, (48), 32 states have call predecessors, (48), 30 states have return successors, (62), 35 states have call predecessors, (62), 38 states have call successors, (62) [2024-10-31 21:56:35,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 582 transitions. [2024-10-31 21:56:35,860 INFO L240 hiAutomatonCegarLoop]: Abstraction has 450 states and 582 transitions. [2024-10-31 21:56:35,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-10-31 21:56:35,861 INFO L425 stractBuchiCegarLoop]: Abstraction has 450 states and 582 transitions. [2024-10-31 21:56:35,862 INFO L332 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2024-10-31 21:56:35,862 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 450 states and 582 transitions. [2024-10-31 21:56:35,866 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 108 [2024-10-31 21:56:35,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:35,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:35,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:35,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:35,869 INFO L745 eck$LassoCheckResult]: Stem: 4139#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4075#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 4076#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 4085#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 4086#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4087#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 4088#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 4205#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 4206#L40-4 havoc main_~i~1#1; 4051#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 4052#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4472#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 4103#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 4104#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4480#L24 assume ~n#1 < 2; 4479#merge_sortFINAL assume true; 4478#merge_sortEXIT >#88#return; 4100#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 4110#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 4111#L24 assume ~n#1 < 2; 4099#merge_sortFINAL assume true; 4101#merge_sortEXIT >#90#return; 4092#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 4093#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 4091#L12 assume !(merge_~j~0#1 == merge_~n#1); 4073#L13 assume merge_~i~0#1 == merge_~m#1;merge_#t~post4#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post4#1;call merge_#t~mem5#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post4#1, 4);merge_#t~ite13#1 := merge_#t~mem5#1; 4058#L13-2 merge_#t~ite14#1 := merge_#t~ite13#1; 4141#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 4144#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 4210#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 4209#L11-4 merge_~i~0#1 := 0; 4125#L17-3 [2024-10-31 21:56:35,869 INFO L747 eck$LassoCheckResult]: Loop: 4125#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem16#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem16#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem16#1; 4126#L17-2 merge_#t~post17#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post17#1;havoc merge_#t~post17#1; 4125#L17-3 [2024-10-31 21:56:35,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:35,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1013086271, now seen corresponding path program 1 times [2024-10-31 21:56:35,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:35,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588360261] [2024-10-31 21:56:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:35,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:36,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 21:56:36,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:36,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 21:56:36,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-31 21:56:36,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:36,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588360261] [2024-10-31 21:56:36,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588360261] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 21:56:36,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 21:56:36,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-31 21:56:36,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453498792] [2024-10-31 21:56:36,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 21:56:36,050 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:36,051 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:36,051 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 2 times [2024-10-31 21:56:36,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:36,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298256511] [2024-10-31 21:56:36,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:36,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:36,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:36,059 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:36,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:36,065 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:36,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:36,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-31 21:56:36,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-31 21:56:36,168 INFO L87 Difference]: Start difference. First operand 450 states and 582 transitions. cyclomatic complexity: 162 Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:56:36,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:36,278 INFO L93 Difference]: Finished difference Result 571 states and 746 transitions. [2024-10-31 21:56:36,278 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 571 states and 746 transitions. [2024-10-31 21:56:36,285 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 146 [2024-10-31 21:56:36,291 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 571 states to 571 states and 746 transitions. [2024-10-31 21:56:36,291 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 335 [2024-10-31 21:56:36,292 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 335 [2024-10-31 21:56:36,292 INFO L73 IsDeterministic]: Start isDeterministic. Operand 571 states and 746 transitions. [2024-10-31 21:56:36,293 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:36,293 INFO L218 hiAutomatonCegarLoop]: Abstraction has 571 states and 746 transitions. [2024-10-31 21:56:36,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states and 746 transitions. [2024-10-31 21:56:36,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 548. [2024-10-31 21:56:36,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 476 states have (on average 1.2563025210084033) internal successors, (598), 480 states have internal predecessors, (598), 42 states have call successors, (48), 32 states have call predecessors, (48), 30 states have return successors, (62), 35 states have call predecessors, (62), 38 states have call successors, (62) [2024-10-31 21:56:36,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 708 transitions. [2024-10-31 21:56:36,312 INFO L240 hiAutomatonCegarLoop]: Abstraction has 548 states and 708 transitions. [2024-10-31 21:56:36,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 21:56:36,313 INFO L425 stractBuchiCegarLoop]: Abstraction has 548 states and 708 transitions. [2024-10-31 21:56:36,313 INFO L332 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2024-10-31 21:56:36,313 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 548 states and 708 transitions. [2024-10-31 21:56:36,317 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 144 [2024-10-31 21:56:36,318 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:36,318 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:36,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:36,318 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:36,319 INFO L745 eck$LassoCheckResult]: Stem: 5185#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5119#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 5120#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 5125#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 5126#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 5127#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 5128#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 5266#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 5184#L40-4 havoc main_~i~1#1; 5171#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 5310#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5308#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 5305#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 5306#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5309#L24 assume ~n#1 < 2; 5307#merge_sortFINAL assume true; 5304#merge_sortEXIT >#88#return; 5302#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 5303#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 5313#L24 assume ~n#1 < 2; 5311#merge_sortFINAL assume true; 5312#merge_sortEXIT >#90#return; 5300#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 5299#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 5298#L12 assume !(merge_~j~0#1 == merge_~n#1); 5296#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem6#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 5294#L14 assume merge_#t~mem6#1 < merge_#t~mem7#1;merge_#t~post8#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post8#1;call merge_#t~mem9#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post8#1, 4);merge_#t~ite12#1 := merge_#t~mem9#1; 5295#L14-2 merge_#t~ite13#1 := merge_#t~ite12#1; 5284#L13-2 merge_#t~ite14#1 := merge_#t~ite13#1; 5281#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 5282#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 5288#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 5272#L11-4 merge_~i~0#1 := 0; 5170#L17-3 [2024-10-31 21:56:36,319 INFO L747 eck$LassoCheckResult]: Loop: 5170#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem16#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem16#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem16#1; 5172#L17-2 merge_#t~post17#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post17#1;havoc merge_#t~post17#1; 5170#L17-3 [2024-10-31 21:56:36,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:36,320 INFO L85 PathProgramCache]: Analyzing trace with hash 956367225, now seen corresponding path program 1 times [2024-10-31 21:56:36,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:36,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12817741] [2024-10-31 21:56:36,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:36,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:36,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-31 21:56:36,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:36,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-10-31 21:56:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:36,441 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-31 21:56:36,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:36,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12817741] [2024-10-31 21:56:36,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12817741] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:36,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [729312121] [2024-10-31 21:56:36,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:36,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:36,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:36,444 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 21:56:36,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (96)] Waiting until timeout for monitored process [2024-10-31 21:56:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:36,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 21:56:36,548 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:36,616 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 21:56:36,616 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 21:56:36,665 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-31 21:56:36,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [729312121] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 21:56:36,665 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 21:56:36,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 9 [2024-10-31 21:56:36,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583732779] [2024-10-31 21:56:36,665 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 21:56:36,666 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 21:56:36,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:36,666 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 3 times [2024-10-31 21:56:36,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:36,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531339377] [2024-10-31 21:56:36,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:36,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:36,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:36,673 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:36,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:36,678 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:36,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 21:56:36,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-31 21:56:36,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-10-31 21:56:36,755 INFO L87 Difference]: Start difference. First operand 548 states and 708 transitions. cyclomatic complexity: 190 Second operand has 9 states, 9 states have (on average 4.666666666666667) internal successors, (42), 8 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:56:36,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 21:56:36,892 INFO L93 Difference]: Finished difference Result 955 states and 1186 transitions. [2024-10-31 21:56:36,892 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 955 states and 1186 transitions. [2024-10-31 21:56:36,903 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 146 [2024-10-31 21:56:36,914 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 955 states to 955 states and 1186 transitions. [2024-10-31 21:56:36,915 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 497 [2024-10-31 21:56:36,915 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 497 [2024-10-31 21:56:36,916 INFO L73 IsDeterministic]: Start isDeterministic. Operand 955 states and 1186 transitions. [2024-10-31 21:56:36,916 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:36,916 INFO L218 hiAutomatonCegarLoop]: Abstraction has 955 states and 1186 transitions. [2024-10-31 21:56:36,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 955 states and 1186 transitions. [2024-10-31 21:56:36,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 955 to 716. [2024-10-31 21:56:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 716 states, 644 states have (on average 1.2111801242236024) internal successors, (780), 648 states have internal predecessors, (780), 42 states have call successors, (48), 32 states have call predecessors, (48), 30 states have return successors, (62), 35 states have call predecessors, (62), 38 states have call successors, (62) [2024-10-31 21:56:36,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 716 states and 890 transitions. [2024-10-31 21:56:36,941 INFO L240 hiAutomatonCegarLoop]: Abstraction has 716 states and 890 transitions. [2024-10-31 21:56:36,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 21:56:36,942 INFO L425 stractBuchiCegarLoop]: Abstraction has 716 states and 890 transitions. [2024-10-31 21:56:36,942 INFO L332 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2024-10-31 21:56:36,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 716 states and 890 transitions. [2024-10-31 21:56:36,949 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 144 [2024-10-31 21:56:36,949 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:36,949 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:36,950 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:36,953 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 21:56:36,954 INFO L745 eck$LassoCheckResult]: Stem: 6909#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6838#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 6839#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 6852#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 6853#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 6854#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 6855#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 6856#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 6904#L40-4 havoc main_~i~1#1; 6891#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 7185#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 7183#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 7178#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 7179#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 7184#L24 assume ~n#1 < 2; 7182#merge_sortFINAL assume true; 7177#merge_sortEXIT >#88#return; 7172#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 7174#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 7180#L24 assume ~n#1 < 2; 7175#merge_sortFINAL assume true; 7171#merge_sortEXIT >#90#return; 7170#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 7169#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 7168#L12 assume !(merge_~j~0#1 == merge_~n#1); 7167#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem6#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 7165#L14 assume merge_#t~mem6#1 < merge_#t~mem7#1;merge_#t~post8#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post8#1;call merge_#t~mem9#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post8#1, 4);merge_#t~ite12#1 := merge_#t~mem9#1; 7164#L14-2 merge_#t~ite13#1 := merge_#t~ite12#1; 7163#L13-2 merge_#t~ite14#1 := merge_#t~ite13#1; 7162#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 7161#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 7159#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 7158#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post2#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post2#1;call merge_#t~mem3#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post2#1, 4);merge_#t~ite14#1 := merge_#t~mem3#1; 7154#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 6961#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 6962#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 6954#L11-4 merge_~i~0#1 := 0; 6890#L17-3 [2024-10-31 21:56:36,954 INFO L747 eck$LassoCheckResult]: Loop: 6890#L17-3 assume !!(merge_~i~0#1 < merge_~n#1);call merge_#t~mem16#1 := read~int#1(merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~i~0#1, 4);call write~int#0(merge_#t~mem16#1, merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4);havoc merge_#t~mem16#1; 6892#L17-2 merge_#t~post17#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post17#1;havoc merge_#t~post17#1; 6890#L17-3 [2024-10-31 21:56:36,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:36,954 INFO L85 PathProgramCache]: Analyzing trace with hash -412481570, now seen corresponding path program 1 times [2024-10-31 21:56:36,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:36,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443497534] [2024-10-31 21:56:36,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:36,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:36,988 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:37,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:37,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:37,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:37,011 INFO L85 PathProgramCache]: Analyzing trace with hash 2563, now seen corresponding path program 4 times [2024-10-31 21:56:37,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:37,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346460974] [2024-10-31 21:56:37,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:37,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:37,015 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:37,018 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:37,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:37,019 INFO L85 PathProgramCache]: Analyzing trace with hash -1257795936, now seen corresponding path program 1 times [2024-10-31 21:56:37,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:37,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943147609] [2024-10-31 21:56:37,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:37,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:37,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 21:56:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 21:56:37,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 21:56:40,040 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 21:56:40,040 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 21:56:40,040 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 21:56:40,040 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 21:56:40,040 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 21:56:40,040 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:40,040 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 21:56:40,040 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 21:56:40,040 INFO L132 ssoRankerPreferences]: Filename of dumped script: mergeSort.i_Iteration13_Lasso [2024-10-31 21:56:40,040 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 21:56:40,041 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 21:56:40,043 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,048 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,054 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,056 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,059 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,063 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,066 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,070 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,072 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,074 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,076 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,080 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,086 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,089 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,986 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,989 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,991 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,994 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,996 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:40,998 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:41,002 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:41,004 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:41,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:41,009 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 21:56:41,708 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 21:56:41,708 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 21:56:41,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,711 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2024-10-31 21:56:41,712 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:41,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,724 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,724 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,725 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,738 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2024-10-31 21:56:41,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,739 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2024-10-31 21:56:41,741 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 [2024-10-31 21:56:41,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,754 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,765 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:41,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,767 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2024-10-31 21:56:41,768 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 [2024-10-31 21:56:41,779 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,779 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,779 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,779 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,779 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,780 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,780 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,781 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,793 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2024-10-31 21:56:41,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,795 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2024-10-31 21:56:41,796 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 [2024-10-31 21:56:41,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,808 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,808 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,809 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,809 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,810 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,822 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Ended with exit code 0 [2024-10-31 21:56:41,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,823 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2024-10-31 21:56:41,825 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 [2024-10-31 21:56:41,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,843 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Ended with exit code 0 [2024-10-31 21:56:41,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,860 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2024-10-31 21:56:41,861 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 [2024-10-31 21:56:41,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,874 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2024-10-31 21:56:41,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,888 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2024-10-31 21:56:41,889 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 [2024-10-31 21:56:41,900 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,900 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,900 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,900 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,900 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,900 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,901 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,902 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,913 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2024-10-31 21:56:41,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,914 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2024-10-31 21:56:41,916 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 [2024-10-31 21:56:41,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,927 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,927 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,927 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,927 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,929 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2024-10-31 21:56:41,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,942 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2024-10-31 21:56:41,944 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 [2024-10-31 21:56:41,954 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,955 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,955 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,955 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,955 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,955 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,957 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2024-10-31 21:56:41,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,969 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,970 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:41,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2024-10-31 21:56:41,972 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 [2024-10-31 21:56:41,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:41,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:41,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:41,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:41,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:41,983 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:41,983 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:41,985 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:41,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Ended with exit code 0 [2024-10-31 21:56:41,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:41,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:41,999 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2024-10-31 21:56:42,000 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 [2024-10-31 21:56:42,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,012 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,012 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,012 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,012 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,012 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,014 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,027 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2024-10-31 21:56:42,029 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 [2024-10-31 21:56:42,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,040 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,043 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Ended with exit code 0 [2024-10-31 21:56:42,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,058 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2024-10-31 21:56:42,060 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 [2024-10-31 21:56:42,070 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,071 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,071 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,071 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,071 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,071 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,072 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,083 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2024-10-31 21:56:42,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,085 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2024-10-31 21:56:42,086 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 [2024-10-31 21:56:42,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,097 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,098 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,098 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,098 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,098 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,098 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,100 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,113 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2024-10-31 21:56:42,114 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 [2024-10-31 21:56:42,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,125 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,125 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,126 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,126 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,127 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Ended with exit code 0 [2024-10-31 21:56:42,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,140 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2024-10-31 21:56:42,142 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 [2024-10-31 21:56:42,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,155 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Ended with exit code 0 [2024-10-31 21:56:42,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,167 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,168 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2024-10-31 21:56:42,170 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 [2024-10-31 21:56:42,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,181 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,181 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,183 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,194 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2024-10-31 21:56:42,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,196 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2024-10-31 21:56:42,197 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 [2024-10-31 21:56:42,208 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,208 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,209 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,209 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,209 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,209 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,209 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,211 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Ended with exit code 0 [2024-10-31 21:56:42,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,223 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,224 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2024-10-31 21:56:42,225 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 [2024-10-31 21:56:42,236 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,236 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,236 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,236 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,236 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,237 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,237 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,238 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,250 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Ended with exit code 0 [2024-10-31 21:56:42,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,251 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2024-10-31 21:56:42,253 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 [2024-10-31 21:56:42,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,264 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,265 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,265 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,267 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,278 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,280 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,281 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2024-10-31 21:56:42,281 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 [2024-10-31 21:56:42,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,294 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,306 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Ended with exit code 0 [2024-10-31 21:56:42,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,306 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,307 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,308 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2024-10-31 21:56:42,309 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 [2024-10-31 21:56:42,320 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Ended with exit code 0 [2024-10-31 21:56:42,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,335 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2024-10-31 21:56:42,336 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 [2024-10-31 21:56:42,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,347 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,348 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,348 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,349 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,363 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2024-10-31 21:56:42,365 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:42,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,375 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,377 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:42,377 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:42,383 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,399 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2024-10-31 21:56:42,400 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 [2024-10-31 21:56:42,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,414 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:42,414 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:42,419 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,432 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2024-10-31 21:56:42,433 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 [2024-10-31 21:56:42,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,445 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,445 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,457 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:42,457 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:42,482 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,502 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2024-10-31 21:56:42,505 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 21:56:42,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,520 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,520 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,520 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:42,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:42,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,546 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,548 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2024-10-31 21:56:42,549 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 [2024-10-31 21:56:42,565 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,565 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,567 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:42,568 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:42,574 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Ended with exit code 0 [2024-10-31 21:56:42,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,594 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2024-10-31 21:56:42,597 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 [2024-10-31 21:56:42,611 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,611 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,611 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,611 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,613 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:42,613 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:42,619 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,639 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2024-10-31 21:56:42,641 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 [2024-10-31 21:56:42,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,655 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 21:56:42,656 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,656 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,656 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 21:56:42,656 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 21:56:42,660 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 21:56:42,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:42,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,677 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,679 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2024-10-31 21:56:42,681 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 [2024-10-31 21:56:42,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 21:56:42,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 21:56:42,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 21:56:42,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 21:56:42,704 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 21:56:42,704 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 21:56:42,725 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 21:56:42,761 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 21:56:42,762 INFO L444 ModelExtractionUtils]: 6 out of 31 variables were initially zero. Simplification set additionally 22 variables to zero. [2024-10-31 21:56:42,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 21:56:42,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:42,766 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 21:56:42,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2024-10-31 21:56:42,774 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 21:56:42,790 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 21:56:42,790 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 21:56:42,790 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(merge_sort_merge_~n#1, merge_sort_merge_~i~0#1) = 1*merge_sort_merge_~n#1 - 1*merge_sort_merge_~i~0#1 Supporting invariants [] [2024-10-31 21:56:42,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Ended with exit code 0 [2024-10-31 21:56:42,874 INFO L156 tatePredicateManager]: 16 out of 16 supporting invariants were superfluous and have been removed [2024-10-31 21:56:42,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:42,953 INFO L255 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-31 21:56:42,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:43,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,083 INFO L255 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 21:56:43,084 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 21:56:43,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 21:56:43,099 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2024-10-31 21:56:43,099 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 716 states and 890 transitions. cyclomatic complexity: 204 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:56:43,169 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 716 states and 890 transitions. cyclomatic complexity: 204. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Result 920 states and 1163 transitions. Complement of second has 10 states. [2024-10-31 21:56:43,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 21:56:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-10-31 21:56:43,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 32 transitions. [2024-10-31 21:56:43,172 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 37 letters. Loop has 2 letters. [2024-10-31 21:56:43,173 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:43,173 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 39 letters. Loop has 2 letters. [2024-10-31 21:56:43,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:43,174 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 32 transitions. Stem has 37 letters. Loop has 4 letters. [2024-10-31 21:56:43,174 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 21:56:43,174 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 920 states and 1163 transitions. [2024-10-31 21:56:43,183 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 144 [2024-10-31 21:56:43,191 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 920 states to 771 states and 973 transitions. [2024-10-31 21:56:43,191 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 380 [2024-10-31 21:56:43,192 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 385 [2024-10-31 21:56:43,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 771 states and 973 transitions. [2024-10-31 21:56:43,193 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 21:56:43,193 INFO L218 hiAutomatonCegarLoop]: Abstraction has 771 states and 973 transitions. [2024-10-31 21:56:43,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states and 973 transitions. [2024-10-31 21:56:43,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 681. [2024-10-31 21:56:43,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 681 states, 615 states have (on average 1.2227642276422763) internal successors, (752), 620 states have internal predecessors, (752), 40 states have call successors, (44), 27 states have call predecessors, (44), 26 states have return successors, (60), 33 states have call predecessors, (60), 37 states have call successors, (60) [2024-10-31 21:56:43,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 681 states to 681 states and 856 transitions. [2024-10-31 21:56:43,213 INFO L240 hiAutomatonCegarLoop]: Abstraction has 681 states and 856 transitions. [2024-10-31 21:56:43,214 INFO L425 stractBuchiCegarLoop]: Abstraction has 681 states and 856 transitions. [2024-10-31 21:56:43,214 INFO L332 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2024-10-31 21:56:43,214 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 681 states and 856 transitions. [2024-10-31 21:56:43,218 INFO L131 ngComponentsAnalysis]: Automaton has 15 accepting balls. 144 [2024-10-31 21:56:43,218 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 21:56:43,218 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 21:56:43,219 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:43,219 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 21:56:43,219 INFO L745 eck$LassoCheckResult]: Stem: 8752#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 8679#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet18#1, main_#t~malloc19#1.base, main_#t~malloc19#1.offset, main_#t~nondet20#1, main_#t~post21#1, main_~i~1#1, main_~n~0#1, main_~a~0#1.base, main_~a~0#1.offset;havoc main_#t~nondet18#1;main_~n~0#1 := main_#t~nondet18#1;havoc main_#t~nondet18#1; 8680#L35 assume !(main_~n~0#1 < 1);call main_#t~malloc19#1.base, main_#t~malloc19#1.offset := #Ultimate.allocOnHeap(4 * main_~n~0#1 % 18446744073709551616);main_~a~0#1.base, main_~a~0#1.offset := main_#t~malloc19#1.base, main_#t~malloc19#1.offset;havoc main_#t~malloc19#1.base, main_#t~malloc19#1.offset;main_~i~1#1 := 0; 8686#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 8687#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 8688#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 8689#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 8793#L40-3 assume !!(main_~i~1#1 < main_~n~0#1);havoc main_#t~nondet20#1;call write~int#0(main_#t~nondet20#1, main_~a~0#1.base, main_~a~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet20#1; 8794#L40-2 main_#t~post21#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post21#1;havoc main_#t~post21#1; 8757#L40-3 assume !(main_~i~1#1 < main_~n~0#1); 8758#L40-4 havoc main_~i~1#1; 8652#L44 call merge_sort(main_~a~0#1.base, main_~a~0#1.offset, main_~n~0#1);< 8653#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 9103#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 9099#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 9100#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 9105#L24 assume ~n#1 < 2; 9102#merge_sortFINAL assume true; 9098#merge_sortEXIT >#88#return; 8727#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 9096#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 9095#L24 assume !(~n#1 < 2);~m~0#1 := (if ~n#1 < 0 && 0 != ~n#1 % 2 then 1 + ~n#1 / 2 else ~n#1 / 2); 9087#L27 call merge_sort(~a#1.base, ~a#1.offset, ~m~0#1);< 9090#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 9094#L24 assume ~n#1 < 2; 9092#merge_sortFINAL assume true; 9086#merge_sortEXIT >#88#return; 8699#L27-1 call merge_sort(~a#1.base, ~a#1.offset + 4 * ~m~0#1, ~n#1 - ~m~0#1);< 8714#$Ultimate##0 ~a#1.base, ~a#1.offset := #in~a#1.base, #in~a#1.offset;~n#1 := #in~n#1; 8715#L24 assume ~n#1 < 2; 9197#merge_sortFINAL assume true; 8698#merge_sortEXIT >#90#return; 8700#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 9249#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 9248#L12 assume !(merge_~j~0#1 == merge_~n#1); 9247#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem6#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 9245#L14 assume merge_#t~mem6#1 < merge_#t~mem7#1;merge_#t~post8#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post8#1;call merge_#t~mem9#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post8#1, 4);merge_#t~ite12#1 := merge_#t~mem9#1; 9244#L14-2 merge_#t~ite13#1 := merge_#t~ite12#1; 9243#L13-2 merge_#t~ite14#1 := merge_#t~ite13#1; 9242#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 9241#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 9240#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 9216#L12 assume merge_~j~0#1 == merge_~n#1;merge_#t~post2#1 := merge_~i~0#1;merge_~i~0#1 := 1 + merge_#t~post2#1;call merge_#t~mem3#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post2#1, 4);merge_#t~ite14#1 := merge_#t~mem3#1; 9217#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 9260#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 9259#L11-3 assume !(merge_~k~0#1 < merge_~n#1); 8801#L11-4 merge_~i~0#1 := 0; 8797#L17-3 assume !(merge_~i~0#1 < merge_~n#1); 8735#L17-4 call ULTIMATE.dealloc(merge_~x~0#1.base, merge_~x~0#1.offset); 9148#L8 havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;havoc merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1;assume { :end_inline_merge } true; 9141#merge_sortFINAL assume true; 9139#merge_sortEXIT >#90#return; 9137#L28 assume { :begin_inline_merge } true;merge_#in~a#1.base, merge_#in~a#1.offset, merge_#in~n#1, merge_#in~m#1 := ~a#1.base, ~a#1.offset, ~n#1, ~m~0#1;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset, merge_#t~ite14#1, merge_#t~post2#1, merge_#t~mem3#1, merge_#t~ite13#1, merge_#t~post4#1, merge_#t~mem5#1, merge_#t~mem6#1, merge_#t~mem7#1, merge_#t~ite12#1, merge_#t~post8#1, merge_#t~mem9#1, merge_#t~post10#1, merge_#t~mem11#1, merge_#t~post15#1, merge_#t~mem16#1, merge_#t~post17#1, merge_~a#1.base, merge_~a#1.offset, merge_~n#1, merge_~m#1, merge_~i~0#1, merge_~j~0#1, merge_~k~0#1, merge_~x~0#1.base, merge_~x~0#1.offset;merge_~a#1.base, merge_~a#1.offset := merge_#in~a#1.base, merge_#in~a#1.offset;merge_~n#1 := merge_#in~n#1;merge_~m#1 := merge_#in~m#1;havoc merge_~i~0#1;havoc merge_~j~0#1;havoc merge_~k~0#1;call merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset := #Ultimate.allocOnHeap(4 * merge_~n#1 % 18446744073709551616);merge_~x~0#1.base, merge_~x~0#1.offset := merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;havoc merge_#t~malloc1#1.base, merge_#t~malloc1#1.offset;merge_~i~0#1 := 0;merge_~j~0#1 := merge_~m#1;merge_~k~0#1 := 0; 9136#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 9135#L12 assume !(merge_~j~0#1 == merge_~n#1); 9134#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem6#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 9132#L14 assume merge_#t~mem6#1 < merge_#t~mem7#1;merge_#t~post8#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post8#1;call merge_#t~mem9#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post8#1, 4);merge_#t~ite12#1 := merge_#t~mem9#1; 9129#L14-2 merge_#t~ite13#1 := merge_#t~ite12#1; 9127#L13-2 merge_#t~ite14#1 := merge_#t~ite13#1; 9125#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 9123#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 9121#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 9118#L12 [2024-10-31 21:56:43,220 INFO L747 eck$LassoCheckResult]: Loop: 9118#L12 assume !(merge_~j~0#1 == merge_~n#1); 9120#L13 assume !(merge_~i~0#1 == merge_~m#1);call merge_#t~mem6#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~j~0#1, 4);call merge_#t~mem7#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_~i~0#1, 4); 9130#L14 assume merge_#t~mem6#1 < merge_#t~mem7#1;merge_#t~post8#1 := merge_~j~0#1;merge_~j~0#1 := 1 + merge_#t~post8#1;call merge_#t~mem9#1 := read~int#0(merge_~a#1.base, merge_~a#1.offset + 4 * merge_#t~post8#1, 4);merge_#t~ite12#1 := merge_#t~mem9#1; 9131#L14-2 merge_#t~ite13#1 := merge_#t~ite12#1; 9117#L13-2 merge_#t~ite14#1 := merge_#t~ite13#1; 9057#L12-2 call write~int#1(merge_#t~ite14#1, merge_~x~0#1.base, merge_~x~0#1.offset + 4 * merge_~k~0#1, 4);havoc merge_#t~ite14#1;havoc merge_#t~post2#1;havoc merge_#t~mem3#1;havoc merge_#t~ite13#1;havoc merge_#t~post4#1;havoc merge_#t~mem5#1;havoc merge_#t~mem6#1;havoc merge_#t~mem7#1;havoc merge_#t~ite12#1;havoc merge_#t~post8#1;havoc merge_#t~mem9#1;havoc merge_#t~post10#1;havoc merge_#t~mem11#1; 8957#L11-2 merge_#t~post15#1 := merge_~k~0#1;merge_~k~0#1 := 1 + merge_#t~post15#1;havoc merge_#t~post15#1; 8958#L11-3 assume !!(merge_~k~0#1 < merge_~n#1); 9118#L12 [2024-10-31 21:56:43,220 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 21:56:43,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1365976563, now seen corresponding path program 1 times [2024-10-31 21:56:43,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 21:56:43,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671010235] [2024-10-31 21:56:43,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:43,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 21:56:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-31 21:56:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-31 21:56:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2024-10-31 21:56:43,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-31 21:56:43,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-31 21:56:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 21:56:43,490 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-10-31 21:56:43,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 21:56:43,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671010235] [2024-10-31 21:56:43,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1671010235] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 21:56:43,491 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777035508] [2024-10-31 21:56:43,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 21:56:43,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 21:56:43,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 21:56:43,494 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_474952fd-edf3-4ae8-a7ec-1ecdc613c6ee/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)