./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC --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 cf5951cf7c939342bb5d014c8a7a12e4f95042e50c8d2f477b21d0a3234d49fe --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-23 23:31:25,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-23 23:31:25,637 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-23 23:31:25,645 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-23 23:31:25,646 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-23 23:31:25,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-23 23:31:25,694 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-23 23:31:25,694 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-23 23:31:25,695 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-23 23:31:25,695 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-23 23:31:25,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-23 23:31:25,698 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-23 23:31:25,698 INFO L153 SettingsManager]: * Use SBE=true [2024-11-23 23:31:25,698 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-23 23:31:25,698 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-23 23:31:25,698 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-23 23:31:25,698 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-23 23:31:25,699 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-23 23:31:25,699 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-23 23:31:25,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-23 23:31:25,700 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-23 23:31:25,700 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-23 23:31:25,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-23 23:31:25,700 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-23 23:31:25,700 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-23 23:31:25,700 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-23 23:31:25,700 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM [2024-11-23 23:31:25,701 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-23 23:31:25,701 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC 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 -> cf5951cf7c939342bb5d014c8a7a12e4f95042e50c8d2f477b21d0a3234d49fe [2024-11-23 23:31:26,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-23 23:31:26,115 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-23 23:31:26,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-23 23:31:26,122 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-23 23:31:26,122 INFO L274 PluginConnector]: CDTParser initialized [2024-11-23 23:31:26,124 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction.c [2024-11-23 23:31:29,756 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/data/68d471ae5/262b624d6c394da3b6746405c108d18e/FLAG6df21a720 [2024-11-23 23:31:30,123 INFO L384 CDTParser]: Found 1 translation units. [2024-11-23 23:31:30,127 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/sv-benchmarks/c/termination-crafted-lit/BrockschmidtCookFuhs-CAV2013-Introduction.c [2024-11-23 23:31:30,150 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/data/68d471ae5/262b624d6c394da3b6746405c108d18e/FLAG6df21a720 [2024-11-23 23:31:30,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/data/68d471ae5/262b624d6c394da3b6746405c108d18e [2024-11-23 23:31:30,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-23 23:31:30,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-23 23:31:30,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:30,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-23 23:31:30,184 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-23 23:31:30,185 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,186 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e08c8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30, skipping insertion in model container [2024-11-23 23:31:30,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,205 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-23 23:31:30,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:30,381 INFO L200 MainTranslator]: Completed pre-run [2024-11-23 23:31:30,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-23 23:31:30,417 INFO L204 MainTranslator]: Completed translation [2024-11-23 23:31:30,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30 WrapperNode [2024-11-23 23:31:30,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-23 23:31:30,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:30,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-23 23:31:30,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-23 23:31:30,429 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,434 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,454 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2024-11-23 23:31:30,454 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-23 23:31:30,455 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-23 23:31:30,455 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-23 23:31:30,455 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-23 23:31:30,467 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,469 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,478 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-23 23:31:30,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,481 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,482 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,490 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,492 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,493 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,495 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-23 23:31:30,498 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-23 23:31:30,498 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-23 23:31:30,499 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-23 23:31:30,500 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (1/1) ... [2024-11-23 23:31:30,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:30,535 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:30,553 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:30,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-23 23:31:30,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-23 23:31:30,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-23 23:31:30,691 INFO L234 CfgBuilder]: Building ICFG [2024-11-23 23:31:30,694 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-23 23:31:30,774 INFO L? ?]: Removed 3 outVars from TransFormulas that were not future-live. [2024-11-23 23:31:30,775 INFO L283 CfgBuilder]: Performing block encoding [2024-11-23 23:31:30,791 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-23 23:31:30,791 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-23 23:31:30,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:30 BoogieIcfgContainer [2024-11-23 23:31:30,794 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-23 23:31:30,795 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-23 23:31:30,796 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-23 23:31:30,804 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-23 23:31:30,805 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:31:30,806 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:31:30" (1/3) ... [2024-11-23 23:31:30,808 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2709ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:31:30, skipping insertion in model container [2024-11-23 23:31:30,808 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:31:30,808 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:31:30" (2/3) ... [2024-11-23 23:31:30,809 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2709ae0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:31:30, skipping insertion in model container [2024-11-23 23:31:30,810 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-23 23:31:30,811 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:30" (3/3) ... [2024-11-23 23:31:30,812 INFO L363 chiAutomizerObserver]: Analyzing ICFG BrockschmidtCookFuhs-CAV2013-Introduction.c [2024-11-23 23:31:30,903 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-11-23 23:31:30,903 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-11-23 23:31:30,904 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-23 23:31:30,904 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-23 23:31:30,904 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-23 23:31:30,905 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-11-23 23:31:30,905 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-23 23:31:30,906 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-23 23:31:30,913 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2024-11-23 23:31:30,933 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 23:31:30,934 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:31:30,934 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:31:30,940 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 23:31:30,941 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 23:31:30,942 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-23 23:31:30,942 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2024-11-23 23:31:30,944 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-11-23 23:31:30,944 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-23 23:31:30,944 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-23 23:31:30,945 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-11-23 23:31:30,945 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-11-23 23:31:30,954 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 1;" [2024-11-23 23:31:30,954 INFO L749 eck$LassoCheckResult]: Loop: "assume main_~x~0#1 > 0;" "main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := 1 + main_~y~0#1;" [2024-11-23 23:31:30,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:30,962 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-11-23 23:31:30,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:31:30,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579673395] [2024-11-23 23:31:30,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:30,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:31,089 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:31:31,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:31,117 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:31:31,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:31,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1221, now seen corresponding path program 1 times [2024-11-23 23:31:31,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:31:31,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622668014] [2024-11-23 23:31:31,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:31,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:31,147 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:31:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:31,160 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:31:31,161 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:31,162 INFO L85 PathProgramCache]: Analyzing trace with hash 925703, now seen corresponding path program 1 times [2024-11-23 23:31:31,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2024-11-23 23:31:31,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167422228] [2024-11-23 23:31:31,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-23 23:31:31,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-23 23:31:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:31,184 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-23 23:31:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-23 23:31:31,194 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace [2024-11-23 23:31:31,344 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 23:31:31,345 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 23:31:31,345 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 23:31:31,346 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 23:31:31,346 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-23 23:31:31,346 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:31,347 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 23:31:31,348 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 23:31:31,349 INFO L132 ssoRankerPreferences]: Filename of dumped script: BrockschmidtCookFuhs-CAV2013-Introduction.c_Iteration1_Loop [2024-11-23 23:31:31,349 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 23:31:31,350 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 23:31:31,370 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:31:31,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:31:31,418 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:31:31,678 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 23:31:31,679 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-23 23:31:31,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:31,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:31,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:31,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-23 23:31:31,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 23:31:31,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 23:31:31,725 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 23:31:31,725 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: [] [2024-11-23 23:31:31,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2024-11-23 23:31:31,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:31,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:31,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:31,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-23 23:31:31,741 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 23:31:31,741 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 23:31:31,769 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-23 23:31:31,770 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: [] [2024-11-23 23:31:31,778 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-23 23:31:31,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:31,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:31,781 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:31,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-23 23:31:31,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-23 23:31:31,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 23:31:31,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-23 23:31:31,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:31,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:31,825 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:31,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-23 23:31:31,830 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-23 23:31:31,830 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-23 23:31:31,958 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-23 23:31:31,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-23 23:31:31,963 INFO L204 LassoAnalysis]: Preferences: [2024-11-23 23:31:31,963 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-23 23:31:31,963 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-23 23:31:31,963 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-23 23:31:31,963 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-23 23:31:31,963 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:31,963 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-23 23:31:31,963 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-23 23:31:31,964 INFO L132 ssoRankerPreferences]: Filename of dumped script: BrockschmidtCookFuhs-CAV2013-Introduction.c_Iteration1_Loop [2024-11-23 23:31:31,964 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-23 23:31:31,964 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-23 23:31:31,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:31:31,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:31:31,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-23 23:31:32,082 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-23 23:31:32,088 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-23 23:31:32,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:32,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:32,092 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:32,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-23 23:31:32,098 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 [2024-11-23 23:31:32,117 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:31:32,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:31:32,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:31:32,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:31:32,129 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:31:32,129 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:31:32,142 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:31:32,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-23 23:31:32,156 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:32,156 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:32,159 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:32,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-23 23:31:32,169 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 [2024-11-23 23:31:32,188 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:31:32,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:31:32,188 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:31:32,188 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:31:32,197 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-23 23:31:32,197 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-23 23:31:32,214 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:31:32,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-23 23:31:32,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:32,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:32,231 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:32,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-23 23:31:32,236 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 [2024-11-23 23:31:32,256 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:31:32,256 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:31:32,257 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:31:32,257 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:31:32,257 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-23 23:31:32,261 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-23 23:31:32,261 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:31:32,271 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:31:32,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2024-11-23 23:31:32,287 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-23 23:31:32,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:32,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:32,290 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:32,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-23 23:31:32,296 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 [2024-11-23 23:31:32,314 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:31:32,314 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:31:32,314 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:31:32,314 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-23 23:31:32,320 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-23 23:31:32,321 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-23 23:31:32,332 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:31:32,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-11-23 23:31:32,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:32,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:32,348 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:32,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-23 23:31:32,353 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 [2024-11-23 23:31:32,373 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:31:32,374 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:31:32,374 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:31:32,374 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-23 23:31:32,385 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-23 23:31:32,385 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-23 23:31:32,404 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-23 23:31:32,417 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-23 23:31:32,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:32,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:32,421 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:32,426 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-23 23:31:32,427 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-23 23:31:32,447 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-23 23:31:32,448 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-23 23:31:32,448 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-23 23:31:32,448 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-23 23:31:32,448 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-23 23:31:32,451 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-23 23:31:32,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-23 23:31:32,459 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-23 23:31:32,468 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-23 23:31:32,472 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 1 variables to zero. [2024-11-23 23:31:32,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-23 23:31:32,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-23 23:31:32,482 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-23 23:31:32,485 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-23 23:31:32,485 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-23 23:31:32,486 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-23 23:31:32,486 INFO L474 LassoAnalysis]: Proved termination. [2024-11-23 23:31:32,487 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0#1 + 1 f1 = 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2024-11-23 23:31:32,500 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-11-23 23:31:32,509 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-23 23:31:32,519 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-23 23:31:32,520 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-23 23:31:32,571 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-23 23:31:32,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:32,589 INFO L256 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-23 23:31:32,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:31:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-23 23:31:32,610 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-23 23:31:32,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-23 23:31:32,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-23 23:31:32,944 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2024-11-23 23:31:32,951 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) 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) [2024-11-23 23:31:32,965 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2024-11-23 23:31:33,057 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 8 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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). 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 14 states and 17 transitions. Complement of second has 6 states. [2024-11-23 23:31:33,062 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 [2024-11-23 23:31:33,070 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) [2024-11-23 23:31:33,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2024-11-23 23:31:33,079 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 2 letters. [2024-11-23 23:31:33,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:31:33,080 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 4 letters. Loop has 2 letters. [2024-11-23 23:31:33,080 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:31:33,081 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 2 letters. Loop has 4 letters. [2024-11-23 23:31:33,081 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-23 23:31:33,082 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2024-11-23 23:31:33,084 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 23:31:33,086 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2024-11-23 23:31:33,088 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-23 23:31:33,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-23 23:31:33,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-23 23:31:33,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-23 23:31:33,090 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:31:33,090 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:31:33,090 INFO L425 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-23 23:31:33,090 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-23 23:31:33,090 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-23 23:31:33,090 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-23 23:31:33,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-23 23:31:33,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:31:33 BoogieIcfgContainer [2024-11-23 23:31:33,102 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-23 23:31:33,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-23 23:31:33,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-23 23:31:33,103 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-23 23:31:33,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:31:30" (3/4) ... [2024-11-23 23:31:33,108 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-23 23:31:33,109 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-23 23:31:33,110 INFO L158 Benchmark]: Toolchain (without parser) took 2935.12ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 98.5MB in the end (delta: 8.3MB). Peak memory consumption was 4.6MB. Max. memory is 16.1GB. [2024-11-23 23:31:33,111 INFO L158 Benchmark]: CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:31:33,111 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.95ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 97.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:31:33,112 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.45ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:31:33,112 INFO L158 Benchmark]: Boogie Preprocessor took 40.14ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 95.0MB in the end (delta: 948.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:31:33,112 INFO L158 Benchmark]: RCFGBuilder took 296.25ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 86.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-23 23:31:33,113 INFO L158 Benchmark]: BuchiAutomizer took 2306.82ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 98.6MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:31:33,113 INFO L158 Benchmark]: Witness Printer took 6.07ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-23 23:31:33,116 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55ms. Allocated memory is still 167.8MB. Free memory is still 105.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.95ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 97.0MB in the end (delta: 9.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.45ms. Allocated memory is still 142.6MB. Free memory was 97.0MB in the beginning and 95.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.14ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 95.0MB in the end (delta: 948.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 296.25ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 86.4MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2306.82ms. Allocated memory is still 142.6MB. Free memory was 86.4MB in the beginning and 98.6MB in the end (delta: -12.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.07ms. Allocated memory is still 142.6MB. Free memory was 98.6MB in the beginning and 98.5MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function null, null and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp55 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-23 23:31:33,140 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_592f3026-3edd-422e-8b43-26f3634e816f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE