./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/2Nested-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/2Nested-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd --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 98e3578cd96fe8b8eee528450509f182c2f5e45fbe2813a1c7e5d95c43606358 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:09:51,569 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:09:51,645 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 16:09:51,655 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:09:51,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 16:09:51,695 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:09:51,698 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 16:09:51,698 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 16:09:51,698 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 16:09:51,698 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 16:09:51,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:09:51,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:09:51,700 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 16:09:51,700 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 16:09:51,700 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 16:09:51,700 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 16:09:51,700 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 16:09:51,701 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 16:09:51,701 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 16:09:51,701 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:09:51,701 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 16:09:51,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:09:51,701 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:09:51,701 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 16:09:51,701 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 16:09:51,701 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 16:09:51,702 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:09:51,702 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:09:51,702 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:09:51,702 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 16:09:51,702 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:09:51,702 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:09:51,702 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 16:09:51,703 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:09:51,703 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 16:09:51,703 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 16:09:51,703 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_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd 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 -> 98e3578cd96fe8b8eee528450509f182c2f5e45fbe2813a1c7e5d95c43606358 [2024-11-13 16:09:52,017 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:09:52,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:09:52,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:09:52,038 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:09:52,039 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:09:52,040 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-crafted/2Nested-1.c Unable to find full path for "g++" [2024-11-13 16:09:53,883 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:09:54,140 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:09:54,141 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/sv-benchmarks/c/termination-crafted/2Nested-1.c [2024-11-13 16:09:54,165 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/data/0e5bb2d80/24a2fdb6acdd4d82a1ad9918a23180c4/FLAG459a02136 [2024-11-13 16:09:54,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/data/0e5bb2d80/24a2fdb6acdd4d82a1ad9918a23180c4 [2024-11-13 16:09:54,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:09:54,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:09:54,214 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:09:54,215 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:09:54,220 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:09:54,221 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a741500 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54, skipping insertion in model container [2024-11-13 16:09:54,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,239 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:09:54,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:09:54,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:09:54,416 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:09:54,430 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:09:54,431 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54 WrapperNode [2024-11-13 16:09:54,431 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:09:54,432 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:09:54,433 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:09:54,433 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:09:54,440 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,445 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,464 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 26 [2024-11-13 16:09:54,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:09:54,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:09:54,467 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:09:54,467 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:09:54,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,480 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,487 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 16:09:54,487 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,488 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,490 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,496 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,497 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,497 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,502 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:09:54,503 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:09:54,503 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:09:54,503 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:09:54,504 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (1/1) ... [2024-11-13 16:09:54,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:54,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:54,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:54,552 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 16:09:54,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:09:54,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:09:54,672 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:09:54,674 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:09:54,750 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-13 16:09:54,751 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:09:54,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:09:54,762 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:09:54,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:09:54 BoogieIcfgContainer [2024-11-13 16:09:54,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:09:54,765 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 16:09:54,765 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 16:09:54,771 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 16:09:54,772 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:09:54,772 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 04:09:54" (1/3) ... [2024-11-13 16:09:54,773 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f0533f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:09:54, skipping insertion in model container [2024-11-13 16:09:54,773 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:09:54,773 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:09:54" (2/3) ... [2024-11-13 16:09:54,774 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@f0533f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 04:09:54, skipping insertion in model container [2024-11-13 16:09:54,774 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 16:09:54,774 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:09:54" (3/3) ... [2024-11-13 16:09:54,775 INFO L333 chiAutomizerObserver]: Analyzing ICFG 2Nested-1.c [2024-11-13 16:09:54,840 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 16:09:54,840 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 16:09:54,840 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 16:09:54,840 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 16:09:54,841 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 16:09:54,841 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 16:09:54,841 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 16:09:54,841 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 16:09:54,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2024-11-13 16:09:54,861 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 16:09:54,861 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:09:54,861 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:09:54,866 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 16:09:54,866 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 16:09:54,866 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 16:09:54,867 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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) [2024-11-13 16:09:54,868 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 16:09:54,868 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 16:09:54,868 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 16:09:54,868 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 16:09:54,868 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 16:09:54,876 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#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;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 6#L21true assume !!(main_~x~0#1 <= 65534); 3#L22true assume !!(main_~y~0#1 <= 65534); 10#L24true assume !!(main_~y~0#1 >= -65534); 4#L25-2true [2024-11-13 16:09:54,876 INFO L747 eck$LassoCheckResult]: Loop: 4#L25-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 - 1; 4#L25-2true [2024-11-13 16:09:54,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:54,882 INFO L85 PathProgramCache]: Analyzing trace with hash 28695849, now seen corresponding path program 1 times [2024-11-13 16:09:54,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:54,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217040024] [2024-11-13 16:09:54,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:54,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:09:54,977 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:09:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:09:54,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:09:55,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:55,005 INFO L85 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2024-11-13 16:09:55,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:55,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739360739] [2024-11-13 16:09:55,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:55,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:55,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:09:55,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:09:55,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:09:55,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:09:55,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:55,024 INFO L85 PathProgramCache]: Analyzing trace with hash 889571344, now seen corresponding path program 1 times [2024-11-13 16:09:55,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 16:09:55,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [372779180] [2024-11-13 16:09:55,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 16:09:55,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:09:55,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:09:55,036 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 16:09:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 16:09:55,049 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 16:09:55,151 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:09:55,151 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:09:55,151 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:09:55,151 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:09:55,152 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 16:09:55,152 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,152 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:09:55,152 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:09:55,152 INFO L132 ssoRankerPreferences]: Filename of dumped script: 2Nested-1.c_Iteration1_Loop [2024-11-13 16:09:55,152 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:09:55,152 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:09:55,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:09:55,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:09:55,197 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:09:55,320 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:09:55,321 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 16:09:55,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,326 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 16:09:55,330 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:09:55,330 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:09:55,365 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:09:55,366 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: [] [2024-11-13 16:09:55,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-13 16:09:55,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,387 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,389 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 16:09:55,390 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:09:55,390 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:09:55,416 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 16:09:55,416 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: [] [2024-11-13 16:09:55,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 16:09:55,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,436 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,438 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 16:09:55,438 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:09:55,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 16:09:55,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-11-13 16:09:55,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,474 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,476 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 16:09:55,480 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 16:09:55,480 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 16:09:55,620 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 16:09:55,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-13 16:09:55,625 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 16:09:55,625 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 16:09:55,625 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 16:09:55,625 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 16:09:55,625 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 16:09:55,625 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,625 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 16:09:55,625 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 16:09:55,625 INFO L132 ssoRankerPreferences]: Filename of dumped script: 2Nested-1.c_Iteration1_Loop [2024-11-13 16:09:55,625 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 16:09:55,625 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 16:09:55,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:09:55,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:09:55,638 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 16:09:55,717 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 16:09:55,722 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 16:09:55,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,727 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 16:09:55,730 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 16:09:55,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:09:55,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:09:55,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:09:55,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:09:55,754 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:09:55,754 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:09:55,762 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:09:55,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 16:09:55,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,777 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,779 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 16:09:55,782 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 [2024-11-13 16:09:55,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:09:55,796 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:09:55,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:09:55,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:09:55,804 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 16:09:55,804 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 16:09:55,818 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:09:55,838 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 16:09:55,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,841 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 16:09:55,844 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 [2024-11-13 16:09:55,858 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:09:55,858 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 16:09:55,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:09:55,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:09:55,859 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 16:09:55,861 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 16:09:55,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 16:09:55,868 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:09:55,886 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 16:09:55,887 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-13 16:09:55,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,890 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 16:09:55,895 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 [2024-11-13 16:09:55,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:09:55,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:09:55,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:09:55,908 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 16:09:55,913 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-13 16:09:55,913 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-13 16:09:55,922 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:09:55,941 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 16:09:55,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:55,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 16:09:55,951 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 [2024-11-13 16:09:55,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:09:55,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:09:55,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:09:55,964 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 16:09:55,969 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-13 16:09:55,969 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-13 16:09:55,978 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 16:09:55,996 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 16:09:55,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:55,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:55,999 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:56,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 16:09:56,013 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 [2024-11-13 16:09:56,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 16:09:56,029 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 16:09:56,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 16:09:56,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 16:09:56,029 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 16:09:56,031 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-13 16:09:56,032 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 16:09:56,037 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 16:09:56,042 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2024-11-13 16:09:56,045 INFO L444 ModelExtractionUtils]: 2 out of 7 variables were initially zero. Simplification set additionally 0 variables to zero. [2024-11-13 16:09:56,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 16:09:56,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 16:09:56,049 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 16:09:56,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 16:09:56,050 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 16:09:56,051 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2024-11-13 16:09:56,051 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 16:09:56,051 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 + 1 Supporting invariants [] [2024-11-13 16:09:56,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 16:09:56,081 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2024-11-13 16:09:56,091 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-13 16:09:56,092 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-13 16:09:56,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:09:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 16:09:56,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:09:56,156 WARN L253 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 16:09:56,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:09:56,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:09:56,190 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 [2024-11-13 16:09:56,192 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-13 16:09:56,231 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 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 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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 18 states and 22 transitions. Complement of second has 4 states. [2024-11-13 16:09:56,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 16:09:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 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) [2024-11-13 16:09:56,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 15 transitions. [2024-11-13 16:09:56,246 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 1 letters. [2024-11-13 16:09:56,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:09:56,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 6 letters. Loop has 1 letters. [2024-11-13 16:09:56,247 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:09:56,247 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 15 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 16:09:56,248 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 16:09:56,248 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 22 transitions. [2024-11-13 16:09:56,250 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:09:56,252 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2024-11-13 16:09:56,253 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 16:09:56,253 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 16:09:56,254 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 16:09:56,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 16:09:56,254 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:09:56,254 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:09:56,254 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 16:09:56,254 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 16:09:56,255 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 16:09:56,255 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 16:09:56,255 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 16:09:56,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 04:09:56 BoogieIcfgContainer [2024-11-13 16:09:56,263 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 16:09:56,264 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:09:56,264 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:09:56,264 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:09:56,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:09:54" (3/4) ... [2024-11-13 16:09:56,268 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 16:09:56,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:09:56,270 INFO L158 Benchmark]: Toolchain (without parser) took 2057.20ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 80.6MB in the end (delta: 14.5MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2024-11-13 16:09:56,270 INFO L158 Benchmark]: CDTParser took 0.91ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:09:56,270 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.89ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 85.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:09:56,271 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.35ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 84.3MB in the end (delta: 896.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:09:56,271 INFO L158 Benchmark]: Boogie Preprocessor took 35.67ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.4MB in the end (delta: 916.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:09:56,271 INFO L158 Benchmark]: RCFGBuilder took 260.87ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 74.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:09:56,272 INFO L158 Benchmark]: BuchiAutomizer took 1498.79ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 80.7MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:09:56,272 INFO L158 Benchmark]: Witness Printer took 4.61ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 21.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:09:56,274 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.91ms. Allocated memory is still 142.6MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 217.89ms. Allocated memory is still 117.4MB. Free memory was 95.1MB in the beginning and 85.2MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.35ms. Allocated memory is still 117.4MB. Free memory was 85.2MB in the beginning and 84.3MB in the end (delta: 896.2kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.67ms. Allocated memory is still 117.4MB. Free memory was 84.3MB in the beginning and 83.4MB in the end (delta: 916.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 260.87ms. Allocated memory is still 117.4MB. Free memory was 83.4MB in the beginning and 74.6MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1498.79ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 80.7MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.61ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.6MB in the end (delta: 21.0kB). 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 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 10 mSDtfsCounter, 4 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: 35ms 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! [2024-11-13 16:09:56,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 16:09:56,499 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_067c6f04-6630-47c8-ba54-38bc916bbe0e/bin/uautomizer-verify-qhAvR1uOyd/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