./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/NO_23.c --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_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/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_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/NO_23.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/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_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/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 fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:03:18,264 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:03:18,369 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-10-31 22:03:18,376 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:03:18,377 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:03:18,414 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:03:18,416 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:03:18,416 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:03:18,417 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:03:18,418 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:03:18,420 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:03:18,421 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:03:18,421 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:03:18,422 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:03:18,422 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:03:18,423 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:03:18,423 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:03:18,423 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:03:18,424 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:03:18,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:03:18,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:03:18,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:03:18,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:03:18,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:03:18,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:03:18,432 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:03:18,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:03:18,432 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:03:18,433 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:03:18,433 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:03:18,434 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:03:18,435 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:03:18,435 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:03:18,436 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:03:18,436 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:03:18,437 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:03:18,438 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_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcb42c45d403119d826fb85259664d72fd3e2539ab650f03e49f091b9d2438bf [2024-10-31 22:03:18,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:03:18,870 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:03:18,873 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:03:18,874 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:03:18,875 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:03:18,876 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/termination-restricted-15/NO_23.c Unable to find full path for "g++" [2024-10-31 22:03:21,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:03:21,286 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:03:21,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/sv-benchmarks/c/termination-restricted-15/NO_23.c [2024-10-31 22:03:21,297 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/data/3e9282ac7/4283f8a5b53b42cf8edf561d8f2a087b/FLAGb7d5a5645 [2024-10-31 22:03:21,653 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/data/3e9282ac7/4283f8a5b53b42cf8edf561d8f2a087b [2024-10-31 22:03:21,656 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:03:21,658 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:03:21,659 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:21,659 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:03:21,665 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:03:21,666 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,667 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@326110b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21, skipping insertion in model container [2024-10-31 22:03:21,667 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,689 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:03:21,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:21,876 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:03:21,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:03:21,906 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:03:21,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21 WrapperNode [2024-10-31 22:03:21,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:03:21,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:21,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:03:21,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:03:21,918 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,922 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,940 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2024-10-31 22:03:21,941 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:03:21,941 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:03:21,942 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:03:21,942 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:03:21,954 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,955 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,961 INFO L175 MemorySlicer]: No memory access in input program. [2024-10-31 22:03:21,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,964 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,969 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,970 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:03:21,971 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:03:21,972 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:03:21,972 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:03:21,973 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (1/1) ... [2024-10-31 22:03:21,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:21,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:22,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:22,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:03:22,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:03:22,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:03:22,134 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:03:22,137 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:03:22,209 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-10-31 22:03:22,209 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:03:22,224 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:03:22,225 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-31 22:03:22,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:22 BoogieIcfgContainer [2024-10-31 22:03:22,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:03:22,228 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:03:22,228 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:03:22,233 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:03:22,234 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:03:22,234 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:03:21" (1/3) ... [2024-10-31 22:03:22,236 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fd65bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:03:22, skipping insertion in model container [2024-10-31 22:03:22,236 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:03:22,237 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:03:21" (2/3) ... [2024-10-31 22:03:22,237 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3fd65bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:03:22, skipping insertion in model container [2024-10-31 22:03:22,237 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:03:22,238 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:22" (3/3) ... [2024-10-31 22:03:22,240 INFO L332 chiAutomizerObserver]: Analyzing ICFG NO_23.c [2024-10-31 22:03:22,335 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:03:22,335 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:03:22,339 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:03:22,340 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:03:22,340 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:03:22,340 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:03:22,340 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:03:22,341 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:03:22,349 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 22:03:22,388 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:22,394 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:03:22,395 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:03:22,406 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:03:22,406 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:03:22,408 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:03:22,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 22:03:22,410 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:22,410 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:03:22,410 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:03:22,410 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:03:22,410 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:03:22,432 INFO L745 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 3#L10-2true [2024-10-31 22:03:22,432 INFO L747 eck$LassoCheckResult]: Loop: 3#L10-2true assume !!(main_~i~0#1 < 100); 5#L10true assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 3#L10-2true [2024-10-31 22:03:22,444 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:22,445 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:03:22,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:22,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144190353] [2024-10-31 22:03:22,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:22,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:22,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:22,586 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:22,613 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:22,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:22,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 1 times [2024-10-31 22:03:22,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:22,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690588582] [2024-10-31 22:03:22,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:22,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:22,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:22,630 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:22,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:22,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:22,641 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:22,641 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2024-10-31 22:03:22,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:22,642 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355068053] [2024-10-31 22:03:22,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:22,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:22,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:22,749 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 22:03:22,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:22,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355068053] [2024-10-31 22:03:22,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355068053] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:22,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:22,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:22,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531319052] [2024-10-31 22:03:22,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:22,880 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:03:22,881 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:03:22,883 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:03:22,884 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:03:22,884 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:03:22,884 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:22,884 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:03:22,885 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:03:22,885 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2024-10-31 22:03:22,885 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:03:22,885 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:03:22,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:22,935 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:22,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:23,086 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:03:23,087 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:03:23,094 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:23,097 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:23,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:03:23,100 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:03:23,100 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:23,127 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:03:23,127 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:03:23,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-10-31 22:03:23,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:23,147 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:23,148 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:03:23,149 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:03:23,150 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:23,173 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:03:23,173 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:03:23,193 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:23,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:23,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:23,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:03:23,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:03:23,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:23,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:03:23,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:23,245 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:23,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:03:23,248 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:03:23,249 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:23,268 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:03:23,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:03:23,281 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:03:23,281 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:03:23,281 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:03:23,281 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:03:23,282 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:03:23,282 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,282 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:03:23,282 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:03:23,282 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration1_Loop [2024-10-31 22:03:23,282 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:03:23,283 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:03:23,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:23,298 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:23,306 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:23,399 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:03:23,405 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:03:23,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:23,416 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:23,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:03:23,426 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 22:03:23,445 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:23,446 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:23,446 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:23,446 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:23,456 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:03:23,458 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:03:23,475 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:23,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:03:23,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:23,507 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:23,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:03:23,517 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 22:03:23,540 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:23,541 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:23,541 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:23,541 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:23,545 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:03:23,545 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:03:23,554 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:23,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:03:23,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:23,582 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:23,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:03:23,587 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 22:03:23,612 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:23,612 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:23,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:23,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:23,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:23,616 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:03:23,617 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:23,621 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:03:23,626 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:03:23,627 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:03:23,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:23,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:23,631 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:23,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:03:23,638 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:03:23,638 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:03:23,639 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:03:23,639 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-31 22:03:23,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:03:23,677 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:03:23,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:23,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:03:23,739 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:23,764 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:03:23,765 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:23,772 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 22:03:23,823 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:03:23,826 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:03:23,872 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 17 states and 24 transitions. Complement of second has 6 states. [2024-10-31 22:03:23,876 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 22:03:23,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 22:03:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-10-31 22:03:23,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-31 22:03:23,887 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:23,887 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:03:23,888 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:23,888 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-31 22:03:23,889 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:23,890 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 24 transitions. [2024-10-31 22:03:23,892 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:23,895 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 8 states and 11 transitions. [2024-10-31 22:03:23,897 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-31 22:03:23,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-31 22:03:23,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 11 transitions. [2024-10-31 22:03:23,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:03:23,899 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-31 22:03:23,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 11 transitions. [2024-10-31 22:03:23,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2024-10-31 22:03:23,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 1.375) internal successors, (11), 7 states have internal predecessors, (11), 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 22:03:23,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 11 transitions. [2024-10-31 22:03:23,926 INFO L240 hiAutomatonCegarLoop]: Abstraction has 8 states and 11 transitions. [2024-10-31 22:03:23,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:23,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:23,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:23,932 INFO L87 Difference]: Start difference. First operand 8 states and 11 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 22:03:23,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:23,947 INFO L93 Difference]: Finished difference Result 7 states and 8 transitions. [2024-10-31 22:03:23,948 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 8 transitions. [2024-10-31 22:03:23,948 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:23,949 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 7 transitions. [2024-10-31 22:03:23,949 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-31 22:03:23,949 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2024-10-31 22:03:23,949 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7 transitions. [2024-10-31 22:03:23,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:03:23,949 INFO L218 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-31 22:03:23,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 7 transitions. [2024-10-31 22:03:23,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2024-10-31 22:03:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:23,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7 transitions. [2024-10-31 22:03:23,953 INFO L240 hiAutomatonCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-31 22:03:23,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:23,955 INFO L425 stractBuchiCegarLoop]: Abstraction has 6 states and 7 transitions. [2024-10-31 22:03:23,955 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:03:23,955 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 7 transitions. [2024-10-31 22:03:23,957 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:23,957 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:03:23,957 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:03:23,957 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:03:23,958 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:03:23,958 INFO L745 eck$LassoCheckResult]: Stem: 79#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 80#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 81#L10-2 assume !!(main_~i~0#1 < 100); 78#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 76#L10-2 [2024-10-31 22:03:23,958 INFO L747 eck$LassoCheckResult]: Loop: 76#L10-2 assume !!(main_~i~0#1 < 100); 77#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 76#L10-2 [2024-10-31 22:03:23,959 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:23,960 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2024-10-31 22:03:23,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:23,960 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521375857] [2024-10-31 22:03:23,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:23,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:23,970 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:23,976 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:23,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:23,977 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 2 times [2024-10-31 22:03:23,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:23,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103949906] [2024-10-31 22:03:23,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:23,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:23,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:23,987 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:23,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:23,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:23,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:23,993 INFO L85 PathProgramCache]: Analyzing trace with hash 889692235, now seen corresponding path program 1 times [2024-10-31 22:03:23,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:23,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527524587] [2024-10-31 22:03:23,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:23,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:24,001 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:24,006 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:24,035 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:03:24,036 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:03:24,036 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:03:24,036 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:03:24,036 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:03:24,037 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,037 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:03:24,037 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:03:24,037 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2024-10-31 22:03:24,039 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:03:24,039 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:03:24,041 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,051 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,123 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:03:24,123 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:03:24,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,126 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:03:24,129 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:03:24,130 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:24,155 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:03:24,155 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:03:24,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:03:24,177 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,179 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:03:24,183 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:03:24,183 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:24,212 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-10-31 22:03:24,213 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-10-31 22:03:24,233 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-10-31 22:03:24,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,235 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:03:24,238 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:03:24,238 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:24,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:24,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,308 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:03:24,313 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:03:24,313 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:24,337 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:03:24,356 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-10-31 22:03:24,357 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:03:24,357 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:03:24,357 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:03:24,358 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:03:24,358 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:03:24,358 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,358 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:03:24,358 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:03:24,358 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration2_Loop [2024-10-31 22:03:24,358 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:03:24,359 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:03:24,360 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,367 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,372 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,435 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:03:24,436 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:03:24,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,439 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:03:24,443 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 22:03:24,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:24,458 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:24,458 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:24,458 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:24,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:03:24,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:03:24,472 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:24,490 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2024-10-31 22:03:24,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,493 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:03:24,496 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 22:03:24,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:24,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:24,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:24,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:24,511 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:03:24,511 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:03:24,517 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:24,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:24,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,542 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:03:24,544 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 22:03:24,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:24,560 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:24,560 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:24,560 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:24,560 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:24,562 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:03:24,562 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:24,565 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:03:24,570 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2024-10-31 22:03:24,571 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-10-31 22:03:24,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,574 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:03:24,577 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:03:24,578 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:03:24,578 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:03:24,578 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-31 22:03:24,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:03:24,600 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:03:24,622 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:24,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:24,628 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:03:24,629 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:24,644 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:03:24,645 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:24,648 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 22:03:24,648 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:03:24,649 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2 Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 22:03:24,662 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 7 transitions. cyclomatic complexity: 2. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 10 states and 13 transitions. Complement of second has 5 states. [2024-10-31 22:03:24,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:03:24,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 22:03:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-31 22:03:24,664 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:03:24,665 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:24,665 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-31 22:03:24,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:24,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 4 letters. Loop has 4 letters. [2024-10-31 22:03:24,666 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:24,666 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 10 states and 13 transitions. [2024-10-31 22:03:24,667 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:24,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 10 states to 10 states and 13 transitions. [2024-10-31 22:03:24,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2024-10-31 22:03:24,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-31 22:03:24,668 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 13 transitions. [2024-10-31 22:03:24,668 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:03:24,668 INFO L218 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-31 22:03:24,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states and 13 transitions. [2024-10-31 22:03:24,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2024-10-31 22:03:24,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 1.3) internal successors, (13), 9 states have internal predecessors, (13), 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 22:03:24,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 13 transitions. [2024-10-31 22:03:24,670 INFO L240 hiAutomatonCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-31 22:03:24,670 INFO L425 stractBuchiCegarLoop]: Abstraction has 10 states and 13 transitions. [2024-10-31 22:03:24,670 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:03:24,670 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 10 states and 13 transitions. [2024-10-31 22:03:24,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:03:24,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:03:24,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:03:24,671 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1] [2024-10-31 22:03:24,672 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:03:24,672 INFO L745 eck$LassoCheckResult]: Stem: 134#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 135#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 136#L10-2 assume !!(main_~i~0#1 < 100); 138#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 137#L10-2 assume !!(main_~i~0#1 < 100); 133#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 129#L10-2 [2024-10-31 22:03:24,672 INFO L747 eck$LassoCheckResult]: Loop: 129#L10-2 assume !!(main_~i~0#1 < 100); 130#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 129#L10-2 [2024-10-31 22:03:24,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:24,673 INFO L85 PathProgramCache]: Analyzing trace with hash 889692233, now seen corresponding path program 2 times [2024-10-31 22:03:24,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:24,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122190766] [2024-10-31 22:03:24,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:24,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:24,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:03:24,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:03:24,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122190766] [2024-10-31 22:03:24,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122190766] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:03:24,707 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:03:24,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-31 22:03:24,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851379556] [2024-10-31 22:03:24,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:03:24,708 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:03:24,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:24,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1318, now seen corresponding path program 3 times [2024-10-31 22:03:24,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:24,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1821484652] [2024-10-31 22:03:24,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:24,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:24,713 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:24,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:24,747 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:03:24,747 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:03:24,748 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:03:24,748 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:03:24,748 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:03:24,748 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,748 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:03:24,748 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:03:24,748 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2024-10-31 22:03:24,748 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:03:24,748 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:03:24,749 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,770 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,827 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:03:24,827 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:03:24,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,829 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:03:24,832 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:03:24,832 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:24,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:03:24,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:24,873 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:24,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:03:24,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:03:24,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:24,894 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:03:24,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:24,913 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:03:24,913 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:03:24,913 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:03:24,913 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:03:24,913 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:03:24,913 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,914 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:03:24,914 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:03:24,914 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration3_Loop [2024-10-31 22:03:24,914 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:03:24,914 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:03:24,915 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,934 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,940 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:24,997 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:03:24,998 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:03:24,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:24,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,000 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:03:25,004 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 22:03:25,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:25,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:25,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:25,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:25,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:25,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:03:25,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:25,025 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:03:25,031 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-10-31 22:03:25,031 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-10-31 22:03:25,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,035 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:03:25,038 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:03:25,038 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-10-31 22:03:25,038 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:03:25,038 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = 1*ULTIMATE.start_main_~i~0#1 Supporting invariants [] [2024-10-31 22:03:25,056 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:25,057 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-10-31 22:03:25,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:25,086 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:03:25,086 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:25,147 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:03:25,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:25,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:25,153 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 22:03:25,154 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:03:25,154 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:25,177 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2024-10-31 22:03:25,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:03:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:25,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-31 22:03:25,180 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-31 22:03:25,181 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:25,181 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:03:25,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:25,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:25,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:25,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:03:25,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:25,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:25,257 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:03:25,258 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:25,264 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 22:03:25,265 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:03:25,266 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:25,278 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-10-31 22:03:25,283 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 12 states and 17 transitions. Complement of second has 5 states. [2024-10-31 22:03:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:03:25,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:25,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 6 transitions. [2024-10-31 22:03:25,287 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 6 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-31 22:03:25,288 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:25,288 INFO L682 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2024-10-31 22:03:25,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:25,316 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:03:25,316 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:03:25,335 WARN L253 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:03:25,335 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:03:25,339 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 22:03:25,340 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-10-31 22:03:25,340 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:25,352 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 10 states and 13 transitions. cyclomatic complexity: 5. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 14 states and 20 transitions. Complement of second has 4 states. [2024-10-31 22:03:25,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:03:25,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:03:25,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-10-31 22:03:25,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 2 letters. [2024-10-31 22:03:25,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:25,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 8 letters. Loop has 2 letters. [2024-10-31 22:03:25,354 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:25,354 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 6 letters. Loop has 4 letters. [2024-10-31 22:03:25,355 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:03:25,355 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 20 transitions. [2024-10-31 22:03:25,356 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:03:25,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 12 states and 16 transitions. [2024-10-31 22:03:25,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2024-10-31 22:03:25,357 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2024-10-31 22:03:25,357 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2024-10-31 22:03:25,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:03:25,357 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2024-10-31 22:03:25,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2024-10-31 22:03:25,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 7. [2024-10-31 22:03:25,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 6 states have internal predecessors, (9), 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 22:03:25,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 9 transitions. [2024-10-31 22:03:25,359 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 9 transitions. [2024-10-31 22:03:25,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:03:25,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:03:25,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:03:25,360 INFO L87 Difference]: Start difference. First operand 7 states and 9 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 22:03:25,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:03:25,370 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2024-10-31 22:03:25,370 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2024-10-31 22:03:25,370 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2024-10-31 22:03:25,370 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 8 states and 9 transitions. [2024-10-31 22:03:25,371 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2024-10-31 22:03:25,371 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2024-10-31 22:03:25,371 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9 transitions. [2024-10-31 22:03:25,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2024-10-31 22:03:25,371 INFO L218 hiAutomatonCegarLoop]: Abstraction has 8 states and 9 transitions. [2024-10-31 22:03:25,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states and 9 transitions. [2024-10-31 22:03:25,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2024-10-31 22:03:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 states have internal predecessors, (8), 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 22:03:25,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2024-10-31 22:03:25,373 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-31 22:03:25,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:03:25,374 INFO L425 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2024-10-31 22:03:25,374 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:03:25,374 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2024-10-31 22:03:25,375 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2024-10-31 22:03:25,375 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:03:25,375 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:03:25,375 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2024-10-31 22:03:25,375 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1] [2024-10-31 22:03:25,376 INFO L745 eck$LassoCheckResult]: Stem: 294#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 296#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 [2024-10-31 22:03:25,376 INFO L747 eck$LassoCheckResult]: Loop: 293#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 290#L10-2 assume !!(main_~i~0#1 < 100); 291#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 292#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 [2024-10-31 22:03:25,376 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:25,376 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2024-10-31 22:03:25,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:25,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851263158] [2024-10-31 22:03:25,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:25,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:25,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:25,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:25,386 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:25,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 1 times [2024-10-31 22:03:25,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:25,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253763384] [2024-10-31 22:03:25,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:25,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:25,398 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:25,402 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:25,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:25,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 2 times [2024-10-31 22:03:25,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:25,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793204694] [2024-10-31 22:03:25,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:25,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:25,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:25,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:25,419 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:25,490 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:03:25,491 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:03:25,491 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:03:25,491 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:03:25,491 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-10-31 22:03:25,491 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,491 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:03:25,491 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:03:25,492 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2024-10-31 22:03:25,492 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:03:25,492 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:03:25,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:25,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:25,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:25,511 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:25,572 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:03:25,573 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-10-31 22:03:25,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,575 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,576 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:03:25,577 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-10-31 22:03:25,578 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:25,612 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Ended with exit code 0 [2024-10-31 22:03:25,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,615 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,616 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:03:25,618 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-10-31 22:03:25,618 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-10-31 22:03:25,662 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-10-31 22:03:25,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2024-10-31 22:03:25,669 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:03:25,669 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:03:25,669 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:03:25,669 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:03:25,669 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:03:25,669 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,670 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:03:25,670 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:03:25,670 INFO L132 ssoRankerPreferences]: Filename of dumped script: NO_23.c_Iteration4_Lasso [2024-10-31 22:03:25,670 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:03:25,670 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:03:25,671 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:25,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:25,684 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:25,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:03:25,748 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:03:25,748 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:03:25,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,750 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:03:25,753 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 22:03:25,768 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:25,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:25,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:25,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:25,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:03:25,772 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:03:25,778 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:25,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:25,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,800 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-10-31 22:03:25,803 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 22:03:25,817 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:25,817 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:25,817 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:25,817 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:25,817 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:25,818 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:03:25,818 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:25,820 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:25,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:25,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,841 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2024-10-31 22:03:25,843 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:03:25,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:25,857 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:25,857 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:25,857 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:25,859 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:03:25,859 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:03:25,864 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:25,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2024-10-31 22:03:25,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,881 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,882 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,885 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 22:03:25,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:03:25,896 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:25,896 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:25,896 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:25,896 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:03:25,898 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:03:25,898 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:03:25,905 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:25,924 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:25,925 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-10-31 22:03:25,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,925 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,927 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,928 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:03:25,930 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 22:03:25,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:25,945 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:25,945 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:25,945 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:03:25,950 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-31 22:03:25,950 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-31 22:03:25,959 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:25,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:25,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:25,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:25,980 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:25,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:03:25,983 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 22:03:25,998 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:25,998 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:25,998 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:25,999 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:25,999 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:03:25,999 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:03:25,999 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:26,005 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2024-10-31 22:03:26,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,026 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:03:26,028 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 22:03:26,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,043 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:03:26,046 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-31 22:03:26,046 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-31 22:03:26,054 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,076 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:03:26,080 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 22:03:26,095 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,095 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,096 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,096 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:03:26,099 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-31 22:03:26,099 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-31 22:03:26,106 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2024-10-31 22:03:26,124 INFO L451 LassoAnalysis]: Using template '3-nested'. [2024-10-31 22:03:26,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,128 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:03:26,133 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 22:03:26,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,149 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,149 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,149 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:26,154 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:26,154 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:26,167 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,188 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:03:26,191 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 22:03:26,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,206 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:26,206 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,206 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,206 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:26,207 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:03:26,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:26,210 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2024-10-31 22:03:26,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,231 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:03:26,233 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 22:03:26,248 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,249 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:26,252 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:26,253 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:26,260 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,279 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,279 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,282 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:03:26,287 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 22:03:26,302 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,302 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,302 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,302 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:26,306 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:26,306 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:26,322 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,340 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,341 INFO L451 LassoAnalysis]: Using template '4-nested'. [2024-10-31 22:03:26,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,343 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:03:26,345 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 22:03:26,360 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,360 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,360 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,360 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:03:26,366 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-31 22:03:26,366 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-31 22:03:26,379 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,400 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:03:26,403 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 22:03:26,418 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:26,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,419 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,419 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:03:26,420 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-31 22:03:26,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:26,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,442 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,444 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:03:26,447 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 22:03:26,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,462 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,462 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,462 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:03:26,466 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-31 22:03:26,467 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-31 22:03:26,474 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,493 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,496 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:03:26,498 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 22:03:26,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:03:26,513 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,513 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,514 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:03:26,517 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-31 22:03:26,518 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-31 22:03:26,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2024-10-31 22:03:26,545 INFO L451 LassoAnalysis]: Using template '2-phase'. [2024-10-31 22:03:26,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,546 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,548 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:03:26,552 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 22:03:26,566 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,566 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:03:26,567 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,567 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,567 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:03:26,570 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-31 22:03:26,571 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-31 22:03:26,583 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,602 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,602 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,603 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,606 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 22:03:26,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:03:26,621 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,621 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:03:26,621 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:26,621 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,622 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,622 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:03:26,622 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-10-31 22:03:26,623 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:26,627 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,648 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:03:26,650 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 22:03:26,665 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,665 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:03:26,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,665 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:03:26,668 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-31 22:03:26,668 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-31 22:03:26,675 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,696 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 22:03:26,698 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 22:03:26,712 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,713 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:03:26,713 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,713 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,713 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-10-31 22:03:26,716 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-10-31 22:03:26,716 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-10-31 22:03:26,722 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,741 INFO L451 LassoAnalysis]: Using template '3-phase'. [2024-10-31 22:03:26,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,743 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,748 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 22:03:26,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:03:26,762 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,762 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-31 22:03:26,762 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,763 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,763 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:26,768 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:26,768 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:26,783 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,804 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,805 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 22:03:26,806 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 22:03:26,821 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,821 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-31 22:03:26,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:26,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,822 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:26,823 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:03:26,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:26,829 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,851 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 22:03:26,854 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 22:03:26,867 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,867 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-31 22:03:26,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,868 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:26,871 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:26,871 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:26,882 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,897 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,898 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 22:03:26,900 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 22:03:26,911 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,911 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2024-10-31 22:03:26,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,912 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:26,916 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:26,916 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:26,925 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:26,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:26,944 INFO L451 LassoAnalysis]: Using template '4-phase'. [2024-10-31 22:03:26,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:26,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:26,946 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:26,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 22:03:26,949 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 22:03:26,964 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:26,964 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:03:26,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:26,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:26,965 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:03:26,971 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-31 22:03:26,972 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-31 22:03:26,997 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 22:03:27,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,018 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 22:03:27,020 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 22:03:27,035 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,035 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:03:27,035 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:27,035 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,035 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,035 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:03:27,037 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2024-10-31 22:03:27,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:27,042 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,060 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:27,060 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,062 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2024-10-31 22:03:27,064 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 22:03:27,077 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,077 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:03:27,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,077 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:03:27,082 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-31 22:03:27,082 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-31 22:03:27,094 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,113 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:27,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,115 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2024-10-31 22:03:27,118 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 22:03:27,136 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,137 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:03:27,137 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,137 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2024-10-31 22:03:27,141 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2024-10-31 22:03:27,141 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2024-10-31 22:03:27,153 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,172 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:27,173 INFO L451 LassoAnalysis]: Using template '2-lex'. [2024-10-31 22:03:27,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,175 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2024-10-31 22:03:27,177 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 22:03:27,191 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,191 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:03:27,191 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,191 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,191 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:27,195 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:27,196 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:27,208 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:27,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,229 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2024-10-31 22:03:27,231 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 22:03:27,246 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,246 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:03:27,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:27,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,246 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:27,247 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2024-10-31 22:03:27,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:27,252 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,269 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2024-10-31 22:03:27,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,271 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2024-10-31 22:03:27,288 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 22:03:27,300 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,300 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:03:27,300 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,300 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,300 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:27,303 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:27,303 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:27,311 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:27,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,332 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2024-10-31 22:03:27,334 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:03:27,349 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,349 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2024-10-31 22:03:27,349 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,349 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,349 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2024-10-31 22:03:27,352 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2024-10-31 22:03:27,352 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2024-10-31 22:03:27,361 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,379 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Ended with exit code 0 [2024-10-31 22:03:27,379 INFO L451 LassoAnalysis]: Using template '3-lex'. [2024-10-31 22:03:27,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,381 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2024-10-31 22:03:27,385 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 22:03:27,400 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,400 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:03:27,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,401 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,401 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-31 22:03:27,409 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2024-10-31 22:03:27,409 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-10-31 22:03:27,431 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2024-10-31 22:03:27,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,452 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2024-10-31 22:03:27,454 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 22:03:27,469 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,469 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:03:27,469 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:03:27,469 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,469 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,469 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-31 22:03:27,470 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:03:27,470 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:03:27,474 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,492 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:27,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,495 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2024-10-31 22:03:27,497 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 22:03:27,511 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,512 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:03:27,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,512 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,512 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-31 22:03:27,516 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2024-10-31 22:03:27,516 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-10-31 22:03:27,526 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,544 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2024-10-31 22:03:27,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:03:27,544 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:03:27,545 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:03:27,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2024-10-31 22:03:27,547 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 22:03:27,558 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2024-10-31 22:03:27,558 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2024-10-31 22:03:27,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:03:27,559 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:03:27,559 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2024-10-31 22:03:27,563 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2024-10-31 22:03:27,564 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2024-10-31 22:03:27,573 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:03:27,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2024-10-31 22:03:27,592 INFO L366 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2024-10-31 22:03:27,592 INFO L745 eck$LassoCheckResult]: Stem: 294#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true; 295#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_~i~0#1;havoc main_~i~0#1;main_~i~0#1 := 0; 296#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 290#L10-2 assume !!(main_~i~0#1 < 100); 291#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 292#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 [2024-10-31 22:03:27,593 INFO L747 eck$LassoCheckResult]: Loop: 293#L10 assume main_~i~0#1 < 50;main_~i~0#1 := 51; 290#L10-2 assume !!(main_~i~0#1 < 100); 291#L10 assume !(main_~i~0#1 < 50);main_~i~0#1 := 49; 292#L10-2 assume !!(main_~i~0#1 < 100); 293#L10 [2024-10-31 22:03:27,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:27,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1810655520, now seen corresponding path program 3 times [2024-10-31 22:03:27,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:27,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [68258734] [2024-10-31 22:03:27,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:27,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:27,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:27,600 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:27,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:27,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:27,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1351673, now seen corresponding path program 2 times [2024-10-31 22:03:27,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:27,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163405860] [2024-10-31 22:03:27,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:27,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:27,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:27,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:27,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:27,620 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:27,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:03:27,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1599693208, now seen corresponding path program 4 times [2024-10-31 22:03:27,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:03:27,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938440467] [2024-10-31 22:03:27,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:03:27,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:03:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:27,631 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:27,641 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:03:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:27,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:03:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:03:27,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 31.10 10:03:27 BoogieIcfgContainer [2024-10-31 22:03:27,742 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-10-31 22:03:27,743 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-31 22:03:27,743 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-31 22:03:27,744 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-31 22:03:27,744 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:03:22" (3/4) ... [2024-10-31 22:03:27,747 INFO L139 WitnessPrinter]: Generating witness for non-termination counterexample [2024-10-31 22:03:27,785 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/witness.graphml [2024-10-31 22:03:27,785 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-31 22:03:27,787 INFO L158 Benchmark]: Toolchain (without parser) took 6128.70ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 99.6MB in the beginning and 127.5MB in the end (delta: -27.9MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:27,787 INFO L158 Benchmark]: CDTParser took 0.70ms. Allocated memory is still 140.5MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:27,787 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.64ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 88.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-31 22:03:27,788 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.20ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-31 22:03:27,788 INFO L158 Benchmark]: Boogie Preprocessor took 29.23ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 85.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:27,789 INFO L158 Benchmark]: RCFGBuilder took 255.25ms. Allocated memory is still 140.5MB. Free memory was 85.6MB in the beginning and 77.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-10-31 22:03:27,789 INFO L158 Benchmark]: BuchiAutomizer took 5514.59ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 77.3MB in the beginning and 129.5MB in the end (delta: -52.3MB). Peak memory consumption was 103.5kB. Max. memory is 16.1GB. [2024-10-31 22:03:27,789 INFO L158 Benchmark]: Witness Printer took 42.55ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 127.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-31 22:03:27,792 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70ms. Allocated memory is still 140.5MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.64ms. Allocated memory is still 140.5MB. Free memory was 99.3MB in the beginning and 88.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.20ms. Allocated memory is still 140.5MB. Free memory was 88.4MB in the beginning and 87.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.23ms. Allocated memory is still 140.5MB. Free memory was 87.0MB in the beginning and 85.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 255.25ms. Allocated memory is still 140.5MB. Free memory was 85.6MB in the beginning and 77.3MB in the end (delta: 8.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5514.59ms. Allocated memory was 140.5MB in the beginning and 188.7MB in the end (delta: 48.2MB). Free memory was 77.3MB in the beginning and 129.5MB in the end (delta: -52.3MB). Peak memory consumption was 103.5kB. Max. memory is 16.1GB. * Witness Printer took 42.55ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 127.5MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 5 terminating modules (2 trivial, 2 deterministic, 1 nondeterministic) and one nonterminating remainder module.One deterministic module has affine ranking function i and consists of 4 locations. One deterministic module has affine ranking function i and consists of 3 locations. One nondeterministic module has affine ranking function i and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 7 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.4s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 4.6s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 41 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 26 mSDtfsCounter, 41 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT1 lasso0 LassoPreprocessingBenchmarks: Lassos: inital11 mio100 ax209 hnf100 lsp47 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq136 hnf93 smp100 dnf100 smp100 tf114 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 68ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 10]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] [L9] COND TRUE i < 100 VAL [i=49] Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 10]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L6] int i; [L7] i = 0 VAL [i=0] [L9] COND TRUE i < 100 VAL [i=0] [L10] COND TRUE i < 50 [L10] i = 51 VAL [i=51] [L9] COND TRUE i < 100 VAL [i=51] [L10] COND FALSE !(i < 50) [L11] i = 49 VAL [i=49] [L9] COND TRUE i < 100 VAL [i=49] Loop: [L10] COND TRUE i < 50 [L10] i = 51 [L9] COND TRUE i < 100 [L10] COND FALSE !(i < 50) [L11] i = 49 [L9] COND TRUE i < 100 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2024-10-31 22:03:27,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b789134c-e498-4e0d-b8a2-4ea47a19d6e7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)